Import 1.2.4

Makefile

 VERSION = 1
 PATCHLEVEL = 2
-SUBLEVEL = 3
+SUBLEVEL = 4
 
 ARCH = i386
 

README

@@ -58,8 +58,8 @@ INSTALLING the kernel:
 		cd /usr/include
 		rm -rf linux
 		rm -rf asm
-		ln -s /usr/src/linux/include/linux .
-		ln -s /usr/src/linux/include/asm-i386 .
+		ln -s /usr/src/linux/include/linux linux
+		ln -s /usr/src/linux/include/asm-i386 asm
 
  - make sure you have no stale .o files and dependencies lying around:
 

drivers/block/README.aztcd

@@ -129,7 +129,7 @@ during runtime via insmod and rmmod. To build aztcd as a loadable module you
 must *not* configure your kernel for AZTECH support. But you need to have
 the ISO9660-filesystem included! So rebuild your kernel, if necessary.
 
-Now edit the base adress of your AZTECH interface card in
+Now edit the base address of your AZTECH interface card in
 /usr/src/linux/include/linux/aztcd.h to the appropriate value. Then change
 to /usr/src/linux and do a 
                     make modules  

drivers/block/blk.h

@@ -9,11 +9,6 @@
  * NR_REQUEST is the number of entries in the request-queue.
  * NOTE that writes may use only the low 2/3 of these: reads
  * take precedence.
- *
- * 32 seems to be a reasonable number: enough to get some benefit
- * from the elevator-mechanism, but not so much as to lock a lot of
- * buffers when they are in the queue. 64 seems to be too many (easily
- * long pauses in reading when heavy writing/syncing is going on)
  */
 #define NR_REQUEST	64
 

drivers/block/floppy.c

@@ -844,6 +844,17 @@ static void floppy_enable_hlt(void)
 static void setup_DMA(void)
 {
 #ifdef CONFIG_FLOPPY_SANITY
+	if (raw_cmd.length == 0){
+		int i;
+
+		printk("zero dma transfer size:");
+		for(i=0; i< raw_cmd.cmd_count; i++)
+			printk("%x,", raw_cmd.cmd[i]);
+		printk("\n");
+		cont->done(0);
+		FDCS->reset = 1;
+		return;
+	}
 	if ((!CURRENT ||
 	     CURRENT->buffer != current_addr ||
 	     raw_cmd.length > 512 * CURRENT->nr_sectors) &&
@@ -2306,15 +2317,21 @@ static int make_raw_rw_request(void)
 		 * This means we should be able to read a sector even if there
 		 * are other bad sectors on this track.
 		 */
-		if ((indirect - sector_t) * 2 > (direct - sector_t) * 3 &&
-		    *errors < DP->max_errors.read_track &&
-		    /*!TESTF( FD_NEED_TWADDLE) &&*/
-		    ( ( !probing || (DP->read_track &
-			   (1 <<DRS->probed_format))))){
+		if (!direct ||
+		    (indirect * 2 > direct * 3 &&
+		     *errors < DP->max_errors.read_track &&
+		     /*!TESTF( FD_NEED_TWADDLE) &&*/
+		     ((!probing || (DP->read_track&(1<<DRS->probed_format)))))){
 			max_size = CURRENT->nr_sectors;
 		} else {
 			current_addr = CURRENT->buffer;
 			raw_cmd.length = current_count_sectors << 9;
+			if (raw_cmd.length == 0){
+				DPRINT("zero dma transfer attempted from make_raw_request\n");
+				DPRINT3("indirect=%d direct=%d sector_t=%d",
+					indirect, direct, sector_t);
+				return 0;
+			}
 			return 2;
 		}
 	}
@@ -2411,6 +2428,10 @@ static int make_raw_rw_request(void)
 		printk("bytes=%ld\n", raw_cmd.length >> 9 );
 		printk("sectors=%ld\n", current_count_sectors);
 	}
+	if (raw_cmd.length == 0){
+		DPRINT("zero dma transfer attempted from make_raw_request\n");
+		return 0;
+	}
 #endif
 	return 2;
 }
@@ -2652,6 +2673,10 @@ static int raw_cmd_ioctl(void *param)
 	if (raw_cmd.flags & (FD_RAW_WRITE | FD_RAW_READ)){
 		if(count > max_buffer_sectors * 1024 )
 			return -ENOMEM;
+		if(count == 0){
+			printk("attempt to do a 0 byte dma transfer\n");
+			return -EINVAL;
+		}
 		buffer_track = -1;
 	}
 	if ( raw_cmd.flags & FD_RAW_WRITE ){

drivers/block/hd.c

@@ -893,6 +893,8 @@ static int hd_open(struct inode * inode, struct file * filp)
 	int target;
 	target =  DEVICE_NR(inode->i_rdev);
 
+	if (target >= NR_HD)
+		return -ENODEV;
 	while (busy[target])
 		sleep_on(&busy_wait);
 	access_count[target]++;

drivers/block/ll_rw_blk.c

@@ -99,6 +99,43 @@ int * blksize_size[MAX_BLKDEV] = { NULL, NULL, };
  */
 int * hardsect_size[MAX_BLKDEV] = { NULL, NULL, };
 
+/*
+ * "plug" the device if there are no outstanding requests: this will
+ * force the transfer to start only after we have put all the requests
+ * on the list.
+ */
+static void plug_device(struct blk_dev_struct * dev, struct request * plug)
+{
+	unsigned long flags;
+
+	plug->dev = -1;
+	plug->cmd = -1;
+	plug->next = NULL;
+	save_flags(flags);
+	cli();
+	if (!dev->current_request)
+		dev->current_request = plug;
+	restore_flags(flags);
+}
+
+/*
+ * remove the plug and let it rip..
+ */
+static void unplug_device(struct blk_dev_struct * dev)
+{
+	struct request * req;
+	unsigned long flags;
+
+	save_flags(flags);
+	cli();
+	req = dev->current_request;
+	if (req && req->dev == -1 && req->cmd == -1) {
+		dev->current_request = req->next;
+		(dev->request_fn)();
+	}
+	restore_flags(flags);
+}
+
 /*
  * look for a free request in the first N entries.
  * NOTE: interrupts must be disabled on the way in, and will still
@@ -139,8 +176,10 @@ static inline struct request * get_request_wait(int n, int dev)
 {
 	register struct request *req;
 
-	while ((req = get_request(n, dev)) == NULL)
+	while ((req = get_request(n, dev)) == NULL) {
+		unplug_device(MAJOR(dev)+blk_dev);
 		sleep_on(&wait_for_request);
+	}
 	return req;
 }
 
@@ -332,6 +371,7 @@ static void make_request(int major,int rw, struct buffer_head * bh)
 			unlock_buffer(bh);
 			return;
 		}
+		unplug_device(major+blk_dev);
 		sleep_on(&wait_for_request);
 		sti();
 		goto repeat;
@@ -395,7 +435,6 @@ void ll_rw_block(int rw, int nr, struct buffer_head * bh[])
 {
 	unsigned int major;
 	struct request plug;
-	int plugged;
 	int correct_size;
 	struct blk_dev_struct * dev;
 	int i;
@@ -445,15 +484,8 @@ void ll_rw_block(int rw, int nr, struct buffer_head * bh[])
 	   from starting until we have shoved all of the blocks into the
 	   queue, and then we let it rip.  */
 
-	plugged = 0;
-	cli();
-	if (!dev->current_request && nr > 1) {
-		dev->current_request = &plug;
-		plug.dev = -1;
-		plug.next = NULL;
-		plugged = 1;
-	}
-	sti();
+	if (nr > 1)
+		plug_device(dev, &plug);
 	for (i = 0; i < nr; i++) {
 		if (bh[i]) {
 			bh[i]->b_req = 1;
@@ -464,12 +496,7 @@ void ll_rw_block(int rw, int nr, struct buffer_head * bh[])
 				kstat.pgpgout++;
 		}
 	}
-	if (plugged) {
-		cli();
-		dev->current_request = plug.next;
-		(dev->request_fn)();
-		sti();
-	}
+	unplug_device(dev);
 	return;
 
       sorry:

drivers/net/README.arcnet-jumpers

@@ -55,7 +55,7 @@ Unclassified Stuff
      About the jumpers: On my PC130 there is one more jumper, located near the
      cable-connector and it's for changing to star or bus topology; 
      closed: star - open: bus
-     On the PC500 are some more jumper-pins, one block labled with RX,PDN,TXI
+     On the PC500 are some more jumper-pins, one block labeled with RX,PDN,TXI
      and another with ALE,LA17,LA18,LA19 these are undocumented..
 
      [...more parts deleted...]
@@ -71,7 +71,7 @@ All ARCnet cards should have a total of four different settings:
     values, as of v0.14, are only from 0x200 through 0x3F0. (If your card
     has additional ones, which is possible, please tell me.) This should not
     be the same as any other device on your system.  Supposedly MS Windows
-    prefers values of 0x300 or more, eating netconnections on my system
+    prefers values of 0x300 or more, eating net connections on my system
     otherwise.
 	- Avery's favourite: 0x300.
 
@@ -270,7 +270,7 @@ Setting the Node ID
 
 The eight switches in group S2 are used to set the node ID.
 Each node attached to the network must have an unique node ID which
-must be diffrent from 0.
+must be different from 0.
 Switch 1 serves as the least significant bit (LSB).
 
 The node ID is the sum of the values of all switches set to "1"  
@@ -309,7 +309,7 @@ Setting the I/O Base Address
 ----------------------------
 
 The first three switches in switch group S1 are used to select one
-of eight possible I/O Base addresses using the followig table
+of eight possible I/O Base addresses using the following table
 
 
    Switch | Hex I/O
@@ -317,7 +317,7 @@ of eight possible I/O Base addresses using the followig table
    -------|--------
    0 0 0  |  260
    0 0 1  |  290
-   0 1 0  |  2E0  (Manufactor's default)
+   0 1 0  |  2E0  (Manufacturer's default)
    0 1 1  |  2F0
    1 0 0  |  300
    1 0 1  |  350
@@ -352,7 +352,7 @@ positions, determined by the offset, switches 7 and 8 of group S1.
    0 1 0  1 0 |  CD000  |  CE000
    0 1 0  1 1 |  CD800  |  CE000
               |         |
-   0 1 1  0 0 |  D0000  |  D2000  (Manufactor's default)
+   0 1 1  0 0 |  D0000  |  D2000  (Manufacturer's default)
    0 1 1  0 1 |  D0800  |  D2000
    0 1 1  1 0 |  D1000  |  D2000
    0 1 1  1 1 |  D1800  |  D2000
@@ -389,7 +389,7 @@ parameters. These two jumpers are normally left open.
 Refer to the COM9026 Data Sheet for alternate configurations.
 
 To select a hardware interrupt level set one (only one!) of the jumpers
-IRQ2, IRQ3, IRQ4, IRQ5, IRQ7. The Manufactor's default is IRQ2.
+IRQ2, IRQ3, IRQ4, IRQ5, IRQ7. The manufacturer's default is IRQ2.
  
 
 Configuring the PC130E for Star or Bus Topology
@@ -412,7 +412,7 @@ board activity:
  -------|-------------------   ---------|-------------------
   on    | normal activity      flash/on | data transfer
   blink | reconfiguration      off      | no data transfer;
-  off   | defectiv board or             | incorect memory or
+  off   | defective board or            | incorrect memory or
         | node ID is zero               | I/O address
 
 
@@ -506,7 +506,7 @@ Setting the Node ID
 
 The eight switches in group SW3 are used to set the node ID. Each node
 attached to the network must have an unique node ID which must be 
-diffrent from 0.
+different from 0.
 Switch 1 serves as the least significant bit (LSB).
 
 The node ID is the sum of the values of all switches set to "1"  
@@ -546,7 +546,7 @@ Setting the I/O Base Address
 ----------------------------
 
 The first six switches in switch group SW1 are used to select one
-of 32 possible I/O Base addresses using the followig table
+of 32 possible I/O Base addresses using the following table
 
    Switch       | Hex I/O
    6 5  4 3 2 1 | Address
@@ -565,7 +565,7 @@ of 32 possible I/O Base addresses using the followig table
    0 1  1 0 1 1 |  2B0
    0 1  1 1 0 0 |  2C0
    0 1  1 1 0 1 |  2D0
-   0 1  1 1 1 0 |  2E0 (Manufactor's default)
+   0 1  1 1 1 0 |  2E0 (Manufacturer's default)
    0 1  1 1 1 1 |  2F0
    1 1  0 0 0 0 |  300
    1 1  0 0 0 1 |  310
@@ -634,7 +634,7 @@ board activity:
  -------|-------------------   ---------|-------------------
   on    | normal activity      flash/on | data transfer
   blink | reconfiguration      off      | no data transfer;
-  off   | defectiv board or             | incorect memory or
+  off   | defective board or            | incorrect memory or
         | node ID is zero               | I/O address
 
 
@@ -690,7 +690,7 @@ further information is welcome.]
 
 DIP Switches:
 
-	The dipswitches accessible on the accessible end of the card while
+	The dip switches accessible on the accessible end of the card while
         it is installed, is used to set the arcnet address.  There are 8
         switches.  Use an address from 1 to 254.
 
@@ -856,7 +856,7 @@ Setting the Node ID
 -------------------
 
 The eight switches in SW2 are used to set the node ID. Each node attached
-to the network must have an unique node ID which must be diffrent from 0.
+to the network must have an unique node ID which must be different from 0.
 Switch 1 (ID0) serves as the least significant bit (LSB).
 
 The node ID is the sum of the values of all switches set to "1"  
@@ -896,7 +896,7 @@ Setting the I/O Base Address
 ----------------------------
 
 The last three switches in switch block SW1 are used to select one
-of eight possible I/O Base addresses using the followig table
+of eight possible I/O Base addresses using the following table
 
 
    Switch      | Hex I/O
@@ -904,7 +904,7 @@ of eight possible I/O Base addresses using the followig table
    ------------|--------
    ON  ON  ON  |  260
    OFF ON  ON  |  290
-   ON  OFF ON  |  2E0  (Manufactor's default)
+   ON  OFF ON  |  2E0  (Manufacturer's default)
    OFF OFF ON  |  2F0
    ON  ON  OFF |  300
    OFF ON  OFF |  350
@@ -926,7 +926,7 @@ Switches 1-5 of switch block SW1 select the Memory Base address.
    ON  ON  ON  ON  ON  |  C0000  |  C2000
    ON  ON  OFF ON  ON  |  C4000  |  C6000
    ON  ON  ON  OFF ON  |  CC000  |  CE000
-   ON  ON  OFF OFF ON  |  D0000  |  D2000  (Manufactor's default)
+   ON  ON  OFF OFF ON  |  D0000  |  D2000  (Manufacturer's default)
    ON  ON  ON  ON  OFF |  D4000  |  D6000
    ON  ON  OFF ON  OFF |  D8000  |  DA000
    ON  ON  ON  OFF OFF |  DC000  |  DE000
@@ -937,7 +937,7 @@ Switches 1-5 of switch block SW1 select the Memory Base address.
 Note: Since the switches 1 and 2 are always set to ON it may be possible
       that they can be used to add an offset of 2K, 4K or 6K to the base
       address, but this feature is not documented in the manual and I
-      haven't testet it yet.
+      haven't tested it yet.
 
 
 Setting the Interrupt Line
@@ -1066,7 +1066,7 @@ Setting the Node ID
 -------------------
 
 The eight switches in SW2 are used to set the node ID. Each node attached
-to the network must have an unique node ID which must be diffrent from 0.
+to the network must have an unique node ID which must be different from 0.
 Switch 1 (ID0) serves as the least significant bit (LSB).
 
 The node ID is the sum of the values of all switches set to "1"  
@@ -1106,14 +1106,14 @@ Setting the I/O Base Address
 ----------------------------
 
 The first six switches in switch block SW1 are used to select the I/O Base
-address using the followig table:
+address using the following table:
 
              Switch        | Hex I/O
     1   2   3   4   5   6  | Address
    ------------------------|--------
    OFF ON  ON  OFF OFF ON  |  260
    OFF ON  OFF ON  ON  OFF |  290
-   OFF ON  OFF OFF OFF ON  |  2E0  (Manufactor's default)
+   OFF ON  OFF OFF OFF ON  |  2E0  (Manufacturer's default)
    OFF ON  OFF OFF OFF OFF |  2F0
    OFF OFF ON  ON  ON  ON  |  300
    OFF OFF ON  OFF ON  OFF |  350
@@ -1162,9 +1162,9 @@ JP3 through JP13 using the following table:
     13    |   2 (=9) Default!
 
 Note:  - Do not use JP11=IRQ6, it may conflict with your Floppy Disk
-         Controler
+         Controller
        - Use JP3=IRQ14 only, if you don't have an IDE-, MFM-, or RLL-
-         Hard Disk, it may conflict with their controlers
+         Hard Disk, it may conflict with their controllers
 
 
 Setting the Timeout Parameters
@@ -1185,8 +1185,8 @@ NONAME 8-BIT ARCNET
 ===================
 
 I have named this ARCnet card "NONAME", since there is no name of any
-manufactor on the Installation manual nor on the shipping box. The only
-hint to the existence of a manufactor at all is written into cupper,
+manufacturer on the Installation manual nor on the shipping box. The only
+hint to the existence of a manufacturer at all is written into copper,
 it is "Made in Taiwan"
 
 This description has been written by Juergen Seifert <seifert@htwm.de>
@@ -1230,7 +1230,7 @@ ET1, ET2    Extended Timeout Select
 ROM     ROM Enable Select
 CN              RG62 Coax Connector
 STAR| BUS | T/P Three fields for placing a sign (colored circle)
-                indicating the topologie of the card
+                indicating the topology of the card
 
 Setting one of the switches to Off means "1", On means "0".
 
@@ -1240,7 +1240,7 @@ Setting the Node ID
 
 The eight switches in group SW1 are used to set the node ID.
 Each node attached to the network must have an unique node ID which
-must be diffrent from 0.
+must be different from 0.
 Switch 8 serves as the least significant bit (LSB).
 
 The node ID is the sum of the values of all switches set to "1"  
@@ -1280,14 +1280,14 @@ Setting the I/O Base Address
 ----------------------------
 
 The first three switches in switch group SW2 are used to select one
-of eight possible I/O Base addresses using the followig table
+of eight possible I/O Base addresses using the following table
 
    Switch      | Hex I/O
     1   2   3  | Address
    ------------|--------
    ON  ON  ON  |  260
    ON  ON  OFF |  290
-   ON  OFF ON  |  2E0  (Manufactor's default)
+   ON  OFF ON  |  2E0  (Manufacturer's default)
    ON  OFF OFF |  2F0
    OFF ON  ON  |  300
    OFF ON  OFF |  350
@@ -1322,7 +1322,7 @@ positions, determined by the offset, switches 7 and 8 of group SW2.
    0 1 0  1 0 |  CD000  |  CE000
    0 1 0  1 1 |  CD800  |  CE000
               |         |
-   0 1 1  0 0 |  D0000  |  D2000  (Manufactor's default)
+   0 1 1  0 0 |  D0000  |  D2000  (Manufacturer's default)
    0 1 1  0 1 |  D0800  |  D2000
    0 1 1  1 0 |  D1000  |  D2000
    0 1 1  1 1 |  D1800  |  D2000
@@ -1355,14 +1355,14 @@ Setting Interrupt Request Lines (IRQ)
 -------------------------------------
 
 To select a hardware interrupt level set one (only one!) of the jumpers
-IRQ2, IRQ3, IRQ4, IRQ5 or IRQ7. The Manufactor's default is IRQ2.
+IRQ2, IRQ3, IRQ4, IRQ5 or IRQ7. The manufacturer's default is IRQ2.
  
 
 Setting the Timeouts
 --------------------
 
 The two jumpers labeled ET1 and ET2 are used to determine the timeout
-parameters (respons and reconfiguration time). Every node in a network
+parameters (response and reconfiguration time). Every node in a network
 must be set to the same timeout values.
 
    ET1 ET2 | Response Time (us) | Reconfiguration Time (ms)
@@ -1382,7 +1382,7 @@ The manual of my 8-Bit NONAME ARCnet Card contains another description
 of a 16-Bit Coax / Twisted Pair Card. This description is incomplete,
 because there are missing two pages in the manual booklet. (The table
 of contents reports pages ... 2-9, 2-11, 2-12, 3-1, ... but inside
-the booklet there is a diffrent way of counting ... 2-9, 2-10, A-1,
+the booklet there is a different way of counting ... 2-9, 2-10, A-1,
 (empty page), 3-1, ..., 3-18, A-1 (again), A-2)
 Also the picture of the board layout is not as good as the picture of
 8-Bit card, because there isn't any letter like "SW1" written to the
@@ -1429,7 +1429,7 @@ Setting the Node ID
 
 The eight switches in group SW2 are used to set the node ID.
 Each node attached to the network must have an unique node ID which
-must be diffrent from 0.
+must be different from 0.
 Switch 8 serves as the least significant bit (LSB).
 
 The node ID is the sum of the values of all switches set to "1"  
@@ -1469,14 +1469,14 @@ Setting the I/O Base Address
 ----------------------------
 
 The first three switches in switch group SW1 are used to select one
-of eight possible I/O Base addresses using the followig table
+of eight possible I/O Base addresses using the following table
 
    Switch      | Hex I/O
     3   2   1  | Address
    ------------|--------
    ON  ON  ON  |  260
    ON  ON  OFF |  290
-   ON  OFF ON  |  2E0  (Manufactor's default)
+   ON  OFF ON  |  2E0  (Manufacturer's default)
    ON  OFF OFF |  2F0
    OFF ON  ON  |  300
    OFF ON  OFF |  350
@@ -1511,7 +1511,7 @@ positions, determined by the offset, switches 4 and 5 of group SW1.
    0 1 0  1 0 |  CD000  |  CE000
    0 1 0  1 1 |  CD800  |  CE000
               |         |
-   0 1 1  0 0 |  D0000  |  D2000  (Manufactor's default)
+   0 1 1  0 0 |  D0000  |  D2000  (Manufacturer's default)
    0 1 1  0 1 |  D0800  |  D2000
    0 1 1  1 0 |  D1000  |  D2000
    0 1 1  1 1 |  D1800  |  D2000

drivers/net/arcnet.c

@@ -291,7 +291,7 @@ struct ClientData
 				 *   but WE MUST GET RID OF IT BEFORE SENDING A
 				 *   PACKET!!
 				 */
-	u_char  saddr;		/* Source address - neccesary for IPX protocol */
+	u_char  saddr;		/* Source address - necessary for IPX protocol */
 	
 	/* data that IS part of real packet */
 	u_char	protocol_id,	/* ARC_P_IP, ARC_P_ARP, or ARC_P_RARP */

drivers/net/ne.c

-#define rw_bugfix
 /* ne.c: A general non-shared-memory NS8390 ethernet driver for linux. */
 /*
     Written 1992-94 by Donald Becker.
@@ -348,6 +347,7 @@ ne_block_input(struct device *dev, int count, char *buf, int ring_offset)
        encountering problems that it is still here.  If you see
        this message you either 1) have a slightly incompatible clone
        or 2) have noise/speed problems with your bus. */
+#ifdef CONFIG_NE_SANITY
     if (ei_debug > 1) {		/* DMA termination address check... */
 	int addr, tries = 20;
 	do {
@@ -364,6 +364,7 @@ ne_block_input(struct device *dev, int count, char *buf, int ring_offset)
 		   "%#4.4x (expected) vs. %#4.4x (actual).\n",
 		   dev->name, ring_offset + xfer_count, addr);
     }
+#endif
     ei_status.dmaing &= ~0x01;
     return ring_offset + count;
 }
@@ -409,7 +410,14 @@ ne_block_output(struct device *dev, int count,
     SLOW_DOWN_IO;
 #endif  /* rw_bugfix */
 
-    /* Now the normal output. */
+   /*
+    	Now the normal output. I believe that if we don't lock this, a
+	race condition will munge the remote byte count values, and then
+	the ne2k will hang the machine by holding I/O CH RDY because it
+	expects more data. Hopefully fixes the lockups. -- Paul Gortmaker.
+    */
+
+    cli();
     outb_p(count & 0xff, nic_base + EN0_RCNTLO);
     outb_p(count >> 8,   nic_base + EN0_RCNTHI);
     outb_p(0x00, nic_base + EN0_RSARLO);
@@ -421,7 +429,9 @@ ne_block_output(struct device *dev, int count,
     } else {
 	outsb(NE_BASE + NE_DATAPORT, buf, count);
     }
+    sti();
 
+#ifdef CONFIG_NE_SANITY
     /* This was for the ALPHA version only, but enough people have
        encountering problems that it is still here. */
     if (ei_debug > 1) {		/* DMA termination address check... */
@@ -443,6 +453,7 @@ ne_block_output(struct device *dev, int count,
 		goto retry;
 	}
     }
+#endif
     ei_status.dmaing &= ~0x02;
     return;
 }

drivers/scsi/st.c

@@ -572,7 +572,7 @@ scsi_tape_open(struct inode * inode, struct file * filp)
     save_flags (processor_flags);
     cli();
     if (SCpnt->request.dev == dev) sleep_on( &(STp->waiting) );
-    restore_flags(flags);
+    restore_flags(processor_flags);
 
     if ((STp->buffer)->last_result_fatal != 0) {
 #ifdef DEBUG

fs/ext2/CHANGES

@@ -2,7 +2,7 @@ Changes from version 0.5 to version 0.5a
 ========================================
 	- Zero the partial block following the end of the file when a file
 	  is truncated.
-	- Dates updated in the copyrigth.
+	- Dates updated in the copyright.
 	- More checks when the filesystem is mounted: the count of blocks,
 	  fragments, and inodes per group is checked against the block size.
 	- The buffers used by the error routines are now static variables, to

fs/ext2/truncate.c

@@ -351,7 +351,7 @@ void ext2_truncate (struct inode * inode)
 	/*
 	 * If the file is not being truncated to a block boundary, the
 	 * contents of the partial block following the end of the file must be
-	 * zero'ed in case it ever become accessible again because of
+	 * zeroed in case it ever becomes accessible again because of
 	 * subsequent file growth.
 	 */
 	offset = inode->i_size % inode->i_sb->s_blocksize;

fs/hpfs/hpfs.h

@@ -134,8 +134,9 @@ struct hpfs_spare_block
 
 
 /* The code page info pointed to by the spare block consists of an index
-   block and blocks containing character maps.  The following is pretty
-   sketchy, but Linux doesn't use code pages so it doesn't matter. */
+   block and blocks containing uppercasing tables.  I don't know what
+   these are for (CHKDSK, maybe?) -- OS/2 does not seem to use them
+   itself.  Linux doesn't use them either. */
 
 /* block pointed to by spareblock->code_page_dir */
 
@@ -174,7 +175,7 @@ struct code_page_data
     unsigned short ix;			/* index */
     unsigned short code_page_number;	/* code page number */
     unsigned short zero1;
-    unsigned char map[128];		/* map for chars 80..ff */
+    unsigned char map[128];		/* upcase table for chars 80..ff */
     unsigned short zero2;
   } code_page[3];
   unsigned char incognita[78];
@@ -256,7 +257,8 @@ struct hpfs_dirent {
   time_t creation_date;			/* ctime */
   unsigned ea_size;			/* total EA length, bytes */
   unsigned char zero1;
-  unsigned char locality;		/* 0=unk 1=seq 2=random 3=both */
+  unsigned char ix;			/* code page index (of filename), see
+					   struct code_page_data */
   unsigned char namelen, name[1];	/* file name */
   /* dnode_secno down;	  btree down pointer, if present,
      			  follows name on next word boundary, or maybe it

fs/hpfs/hpfs_caps.c

@@ -27,8 +27,10 @@
    necessary case folding this is impossible.)
 
    There is a map from Latin-1 into code page 850 for every printing
-   character in Latin-1.  Most, maybe all, OS/2 installations have code
-   page 850 available, and surely all (on PC hardware) have 437 available.
+   character in Latin-1.  The NLS documentation of OS/2 shows that
+   everybody has 850 available unless they don't have Western latin
+   chars available at all (so fitting them to Linux without Unicode
+   is a doomed exercise).
 
    It is not clear exactly how HPFS.IFS handles the situation when
    multiple code pages are in use.  Experiments show that
@@ -45,8 +47,8 @@
    This means, I think, that HPFS.IFS operates in the current code
    page, without regard to the uppercasing information recorded in
    the tables on the disk.  It does record the uppercasing rules
-   it used, perhaps for alien operating systems such as us, but it
-   does not appear to use them itself.
+   it used, perhaps for CHKDSK, but it does not appear to use them
+   itself.
 
    So: Linux, a Latin-1 system, will operate in code page 850.  We
    recode between 850 and Latin-1 when dealing with the names actually
@@ -102,22 +104,29 @@ static const unsigned char tb_latin1_to_cp850[128] =
 };
 #endif
 
+#define A_GRAVE 0300
+#define THORN	0336   
+#define MULTIPLY 0327
+#define a_grave 0340
+#define thorn	0376
+#define divide	0367
+
 static inline unsigned latin1_upcase (unsigned c)
 {
-  if (c - (unsigned char) 'a' <= (unsigned char) 'z' - (unsigned char) 'a'
-      || (c - (unsigned char) '`' <= (unsigned char) '~' - (unsigned char) '`'
-	  && c != (unsigned char) 'w'))
-    return c - (unsigned char) 'a' + (unsigned char) 'A';
+  if (c - 'a' <= 'z' - 'a'
+      || (c - a_grave <= thorn - a_grave
+	  && c != divide))
+    return c - 'a' + 'A';
   else
     return c;
 }
 
 static inline unsigned latin1_downcase (unsigned c)
 {
-  if (c - (unsigned char) 'A' <= (unsigned char) 'Z' - (unsigned char) 'A'
-      || (c - (unsigned char) '@' <= (unsigned char) '^' - (unsigned char) '@'
-	  && c != (unsigned char) 'W'))
-    return c + (unsigned char) 'a' - (unsigned char) 'A';
+  if (c - 'A' <= 'Z' - 'A'
+      || (c - A_GRAVE <= THORN - A_GRAVE
+	  && c != MULTIPLY))
+    return c + 'a' - 'A';
   else
     return c;
 }

fs/namei.c

@@ -483,7 +483,7 @@ asmlinkage int sys_mknod(const char * filename, int mode, dev_t dev)
 	case 0:
 		mode |= S_IFREG;
 		break;
-	case S_IFREG: case S_IFCHR: case S_IFBLK: case S_IFIFO:
+	case S_IFREG: case S_IFCHR: case S_IFBLK: case S_IFIFO: case S_IFSOCK:
 		break;
 	default:
 		return -EINVAL;

fs/proc/array.c

@@ -177,10 +177,11 @@ static int get_loadavg(char * buffer)
 	a = avenrun[0] + (FIXED_1/200);
 	b = avenrun[1] + (FIXED_1/200);
 	c = avenrun[2] + (FIXED_1/200);
-	return sprintf(buffer,"%d.%02d %d.%02d %d.%02d\n",
+	return sprintf(buffer,"%d.%02d %d.%02d %d.%02d %d/%d\n",
 		LOAD_INT(a), LOAD_FRAC(a),
 		LOAD_INT(b), LOAD_FRAC(b),
-		LOAD_INT(c), LOAD_FRAC(c));
+		LOAD_INT(c), LOAD_FRAC(c),
+		nr_running, nr_tasks);
 }
 
 static int get_kstat(char * buffer)

include/linux/pci.h

@@ -200,6 +200,7 @@ struct pci_class_type {
 
 #define PCI_VENDOR_ID_ADAPTEC		0x9004
 #define PCI_DEVICE_ID_ADAPTEC_2940	0x7178
+#define PCI_DEVICE_ID_ADAPTEC_294x	0x7078
 
 #define PCI_VENDOR_ID_DPT               0x1044   
 #define PCI_DEVICE_ID_DPT               0xa400  
@@ -220,7 +221,7 @@ struct pci_class_type {
 #define PCI_DEVICE_ID_UMC_UM8881F	0x8881
 #define PCI_DEVICE_ID_UMC_UM8891A	0x0891
 #define PCI_DEVICE_ID_UMC_UM8886F	0x8886
-#define PCI_DEVICE_ID_UMC_UM8673F	0x0101
+#define PCI_DEVICE_ID_UMC_UM8673F	0x886a
 
 #define PCI_VENDOR_ID_DEC		0x1011
 #define PCI_DEVICE_ID_DEC_TULIP		0x0002
@@ -253,12 +254,14 @@ struct pci_class_type {
 #define PCI_DEVICE_ID_WEITEK_P9100	0x9100
 
 #define PCI_VENDOR_ID_CIRRUS		0x1013
+#define PCI_DEVICE_ID_CIRRUS_5430	0x00A0
 #define PCI_DEVICE_ID_CIRRUS_5434_4	0x00A4
 #define PCI_DEVICE_ID_CIRRUS_5434_8	0x00A8
 #define PCI_DEVICE_ID_CIRRUS_6729	0x1100
 
 #define PCI_VENDOR_ID_BUSLOGIC		0x104B
 #define PCI_DEVICE_ID_BUSLOGIC_946C	0x1040
+#define PCI_DEVICE_ID_BUSLOGIC_946C_2	0x0140
 
 #define PCI_VENDOR_ID_N9		0x105D
 #define PCI_DEVICE_ID_N9_I128		0x2309
@@ -267,6 +270,7 @@ struct pci_class_type {
 #define PCI_DEVICE_ID_AI_M1435		0x1435
 
 #define PCI_VENDOR_ID_AL		0x10b9
+#define PCI_DEVICE_ID_AL_M1445		0x1445
 #define PCI_DEVICE_ID_AL_M1449		0x1449
 #define PCI_DEVICE_ID_AL_M1451		0x1451
 #define PCI_DEVICE_ID_AL_M4803		0x5215
@@ -282,6 +286,7 @@ struct pci_class_type {
 
 #define PCI_VENDOR_ID_VISION		0x1098
 #define PCI_DEVICE_ID_VISION_QD8500	0x0001
+#define PCI_DEVICE_ID_VISION_QD8580	0x0002
 
 #define PCI_VENDOR_ID_AMD		0x1022
 #define PCI_DEVICE_ID_AMD_LANCE		0x2000
@@ -335,13 +340,25 @@ struct pci_class_type {
 #define PCI_VENDOR_ID_CT		0x102c
 #define PCI_DEVICE_ID_CT_65545		0x00d8
 
+#define PCI_VENDOR_ID_FUTUR		0x1036
+#define PCI_DEVICE_ID_FUTUR_18C30	0x0000
+
+#define PCI_VENDOR_ID_WINBOND		0x10ad
+#define PCI_DEVICE_ID_WINBOND_83769	0x0001
+
+#define PCI_VENDOR_ID_3COM		0x10b7
+#define PCI_DEVICE_ID_3COM_3C590	0x5900
+#define PCI_DEVICE_ID_3COM_3C595TX	0x5950
+#define PCI_DEVICE_ID_3COM_3C595T4	0x5951
+#define PCI_DEVICE_ID_3COM_3C595MII	0x5952
+
 struct pci_vendor_type {
 	unsigned short vendor_id;
 	char *vendor_name;
 };
 
 
-#define PCI_VENDOR_NUM 36
+#define PCI_VENDOR_NUM 39
 #define PCI_VENDOR_TYPE { \
 	{PCI_VENDOR_ID_NCR,		"NCR"}, \
 	{PCI_VENDOR_ID_ADAPTEC,		"Adaptec"}, \
@@ -378,7 +395,10 @@ struct pci_vendor_type {
 	{PCI_VENDOR_ID_EF,		"Efficient Networks"}, \
 	{PCI_VENDOR_ID_HER,		"Hercules"}, \
 	{PCI_VENDOR_ID_ATRONICS,	"Atronics"}, \
-	{PCI_VENDOR_ID_CT,		"Chips & Technologies"} \
+	{PCI_VENDOR_ID_CT,		"Chips & Technologies"}, \
+	{PCI_VENDOR_ID_FUTUR,		"Future Domain"},\
+	{PCI_VENDOR_ID_WINBOND,		"Winbond"}, \
+	{PCI_VENDOR_ID_3COM,		"3Com"} \
 }
 
 
@@ -397,13 +417,14 @@ struct pci_device_type {
 	char *device_name;
 };
 
-#define PCI_DEVICE_NUM 71
+#define PCI_DEVICE_NUM 82
 #define PCI_DEVICE_TYPE { \
 	{0xff,	PCI_VENDOR_ID_NCR,	PCI_DEVICE_ID_NCR_53C810,	"53c810"}, \
 	{0xff,	PCI_VENDOR_ID_NCR,	PCI_DEVICE_ID_NCR_53C815,	"53c815"}, \
 	{0xff,	PCI_VENDOR_ID_NCR,	PCI_DEVICE_ID_NCR_53C820,	"53c820"}, \
 	{0xff,	PCI_VENDOR_ID_NCR,	PCI_DEVICE_ID_NCR_53C825,	"53c825"}, \
 	{0xff,	PCI_VENDOR_ID_ADAPTEC,	PCI_DEVICE_ID_ADAPTEC_2940,	"2940"}, \
+	{0xff,	PCI_VENDOR_ID_ADAPTEC,	PCI_DEVICE_ID_ADAPTEC_294x,	"294x"}, \
 	{0xff,	PCI_VENDOR_ID_DPT,	PCI_DEVICE_ID_DPT,		"SmartCache/Raid"}, \
 	{0xff,	PCI_VENDOR_ID_S3,	PCI_DEVICE_ID_S3_864_1,		"Vision 864-P"}, \
 	{0xff,	PCI_VENDOR_ID_S3,	PCI_DEVICE_ID_S3_864_2,		"Vision 864-P"}, \
@@ -435,12 +456,15 @@ struct pci_device_type {
 	{0xff,	PCI_VENDOR_ID_ATI,	PCI_DEVICE_ID_ATI_M64,		"Mach 64"}, \
 	{0xff,	PCI_VENDOR_ID_WEITEK,	PCI_DEVICE_ID_WEITEK_P9000,	"P9000"}, \
 	{0xff,	PCI_VENDOR_ID_WEITEK,	PCI_DEVICE_ID_WEITEK_P9100,	"P9100"}, \
+	{0xff,	PCI_VENDOR_ID_CIRRUS,	PCI_DEVICE_ID_CIRRUS_5430,	"GD 5430"}, \
 	{0xff,	PCI_VENDOR_ID_CIRRUS,	PCI_DEVICE_ID_CIRRUS_5434_4,	"GD 5434"}, \
 	{0xff,	PCI_VENDOR_ID_CIRRUS,	PCI_DEVICE_ID_CIRRUS_5434_8,	"GD 5434"}, \
 	{0xff,	PCI_VENDOR_ID_CIRRUS,	PCI_DEVICE_ID_CIRRUS_6729,	"CL 6729"}, \
 	{0xff,	PCI_VENDOR_ID_BUSLOGIC,PCI_DEVICE_ID_BUSLOGIC_946C,	"946C"}, \
+	{0xff,	PCI_VENDOR_ID_BUSLOGIC,PCI_DEVICE_ID_BUSLOGIC_946C_2,	"946C"}, \
 	{0xff,	PCI_VENDOR_ID_N9,	PCI_DEVICE_ID_N9_I128,		"Imagine 128"}, \
 	{0xff,	PCI_VENDOR_ID_AI,	PCI_DEVICE_ID_AI_M1435,		"M1435"}, \
+	{0xff,	PCI_VENDOR_ID_AL,	PCI_DEVICE_ID_AL_M1445,		"M1445"}, \
 	{0xff,	PCI_VENDOR_ID_AL,	PCI_DEVICE_ID_AL_M1449,		"M1449"}, \
 	{0xff,	PCI_VENDOR_ID_AL,	PCI_DEVICE_ID_AL_M1451,		"M1451"}, \
 	{0xff,	PCI_VENDOR_ID_AL,	PCI_DEVICE_ID_AL_M4803,		"MS4803"}, \
@@ -449,7 +473,8 @@ struct pci_device_type {
 	{0xff,	PCI_VENDOR_ID_TSENG,	PCI_DEVICE_ID_TSENG_W32P_c,	"ET4000W32P rev C"}, \
 	{0xff,	PCI_VENDOR_ID_TSENG,	PCI_DEVICE_ID_TSENG_W32P_d,	"ET4000W32P rev D"}, \
 	{0xff,	PCI_VENDOR_ID_CMD,	PCI_DEVICE_ID_CMD_640,		"640A"}, \
-	{0xff,	PCI_VENDOR_ID_VISION,	PCI_DEVICE_ID_VISION_QD8500,	"QD-8500PCI"}, \
+	{0xff,	PCI_VENDOR_ID_VISION,	PCI_DEVICE_ID_VISION_QD8500,	"QD-8500"}, \
+	{0xff,	PCI_VENDOR_ID_VISION,	PCI_DEVICE_ID_VISION_QD8580,	"QD-8580"}, \
 	{0xff,	PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_LANCE,	"79C970"}, \
 	{0xff,	PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_SCSI,		"53C974"}, \
 	{0xff,	PCI_VENDOR_ID_VLSI,	PCI_DEVICE_ID_VLSI_82C593,	"82C593-FC1"}, \
@@ -469,7 +494,13 @@ struct pci_device_type {
 	{0xff,	PCI_VENDOR_ID_EF,	PCI_DEVICE_ID_EF_ATM,		"155P-MF1"}, \
 	{0xff,	PCI_VENDOR_ID_HER,	PCI_DEVICE_ID_HER_STING,	"Stingray"}, \
 	{0xff,	PCI_VENDOR_ID_ATRONICS,	PCI_DEVICE_ID_ATRONICS_2015,	"IDE-2015PL"}, \
-	{0xff,	PCI_VENDOR_ID_CT,	PCI_DEVICE_ID_CT_65545,		"65545"} \
+	{0xff,	PCI_VENDOR_ID_CT,	PCI_DEVICE_ID_CT_65545,		"65545"}, \
+	{0xff,	PCI_VENDOR_ID_FUTUR,	PCI_DEVICE_ID_FUTUR_18C30,		"TMC-18C30"}, \
+	{0xff,	PCI_VENDOR_ID_WINBOND,	PCI_DEVICE_ID_WINBOND_83769,		"W83769F"}, \
+	{0xff,	PCI_VENDOR_ID_3COM,	PCI_DEVICE_ID_3COM_3C590,		"3C590 10bT"}, \
+	{0xff,	PCI_VENDOR_ID_3COM,	PCI_DEVICE_ID_3COM_3C595TX,		"3C595 100bTX"}, \
+	{0xff,	PCI_VENDOR_ID_3COM,	PCI_DEVICE_ID_3COM_3C595T4,		"3C595 100bT4"}, \
+	{0xff,	PCI_VENDOR_ID_3COM,	PCI_DEVICE_ID_3COM_3C595MII,		"3C595 100b-MII"} \
 }
 
 /* An item of this structure has the following meaning	*/

include/linux/sched.h

@@ -47,6 +47,8 @@ extern unsigned long avenrun[];		/* Load averages */
 #define CT_TO_SECS(x)	((x) / HZ)
 #define CT_TO_USECS(x)	(((x) % HZ) * 1000000/HZ)
 
+extern int nr_running, nr_tasks;
+
 #define FIRST_TASK task[0]
 #define LAST_TASK task[NR_TASKS-1]
 

kernel/exit.c

@@ -91,6 +91,7 @@ void release(struct task_struct * p)
 	}
 	for (i=1 ; i<NR_TASKS ; i++)
 		if (task[i] == p) {
+			nr_tasks--;
 			task[i] = NULL;
 			REMOVE_LINKS(p);
 			if (STACK_MAGIC != *(unsigned long *)p->kernel_stack_page)

kernel/fork.c

@@ -24,6 +24,8 @@
 #include <asm/segment.h>
 #include <asm/system.h>
 
+int nr_tasks=1;
+int nr_running=1;
 long last_pid=0;
 
 static int find_empty_process(void)
@@ -203,6 +205,7 @@ int do_fork(unsigned long clone_flags, unsigned long usp, struct pt_regs *regs)
 	p->mm->swappable = 0;	/* don't try to swap it out before it's set up */
 	task[nr] = p;
 	SET_LINKS(p);
+	nr_tasks++;
 
 	/* copy all the process information */
 	copy_thread(nr, clone_flags, usp, p, regs);
@@ -221,6 +224,7 @@ int do_fork(unsigned long clone_flags, unsigned long usp, struct pt_regs *regs)
 bad_fork_cleanup:
 	task[nr] = NULL;
 	REMOVE_LINKS(p);
+	nr_tasks--;
 bad_fork_free:
 	free_page(new_stack);
 	free_page((long) p);

kernel/ksyms.c

@@ -38,8 +38,10 @@
 #include <linux/net.h>
 #include <linux/netdevice.h>
 #include <linux/ip.h>
+#include <linux/tcp.h>
 #include "../net/inet/protocol.h"
 #include "../net/inet/arp.h"
+#include "../drivers/net/slhc.h"
 #endif
 #ifdef CONFIG_PCI
 #include <linux/pci.h>
@@ -271,6 +273,11 @@ struct symbol_table symbol_table = {
 #ifdef CONFIG_INET	
 	X(inet_add_protocol),
 	X(inet_del_protocol),
+	X(slhc_init),
+	X(slhc_free),
+	X(slhc_remember),
+	X(slhc_compress),
+	X(slhc_uncompress),
 #endif
 	/* Device callback registration */
 	X(register_netdevice_notifier),

kernel/sched.c

@@ -125,6 +125,7 @@ asmlinkage void schedule(void)
 	itimer_next = ~0;
 	sti();
 	need_resched = 0;
+	nr_running = 0;
 	p = &init_task;
 	for (;;) {
 		if ((p = p->next_task) == &init_task)
@@ -174,8 +175,11 @@ asmlinkage void schedule(void)
 	for (;;) {
 		if ((p = p->next_task) == &init_task)
 			goto confuse_gcc2;
-		if (p->state == TASK_RUNNING && p->counter > c)
-			c = p->counter, next = p;
+		if (p->state == TASK_RUNNING) {
+			nr_running++;
+			if (p->counter > c)
+				c = p->counter, next = p;
+		}
 	}
 confuse_gcc2:
 	if (!c) {

mm/memory.c

@@ -159,7 +159,7 @@ void clear_page_tables(struct task_struct * tsk)
 		panic("task[0] (swapper) doesn't support exec()\n");
 	page_dir = pgd_offset(tsk, 0);
 	if (!page_dir || page_dir == swapper_pg_dir) {
-		printk("Trying to clear kernel page-directory: not good\n");
+		printk("%s trying to clear kernel page-directory: not good\n", tsk->comm);
 		return;
 	}
 	if (pgd_inuse(page_dir)) {
@@ -197,7 +197,7 @@ void free_page_tables(struct task_struct * tsk)
 	}
 	page_dir = pgd_offset(tsk, 0);
 	if (!page_dir || page_dir == swapper_pg_dir) {
-		printk("Trying to free kernel page-directory: not good\n");
+		printk("%s trying to free kernel page-directory: not good\n", tsk->comm);
 		return;
 	}
 	SET_PAGE_DIR(tsk, swapper_pg_dir);

mm/swap.c

@@ -523,7 +523,7 @@ static int swap_out(unsigned int priority)
 	int loop, counter;
 	struct task_struct *p;
 
-	counter = 2*NR_TASKS >> priority;
+	counter = 2*nr_tasks >> priority;
 	for(; counter >= 0; counter--) {
 		/*
 		 * Check that swap_task is suitable for swapping.  If not, look for

net/inet/icmp.c

@@ -210,7 +210,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, unsigned long info, s
 	 */
 	 
 	len = dev->hard_header_len + sizeof(struct iphdr) + sizeof(struct icmphdr) +
-		sizeof(struct iphdr) + 8;	/* amount of header to return */
+		sizeof(struct iphdr) + 32;	/* amount of header to return */
 	   
 	skb = (struct sk_buff *) alloc_skb(len, GFP_ATOMIC);
 	if (skb == NULL) 

net/inet/ip.c

@@ -68,6 +68,7 @@
  *		Bjorn Ekwall	:	Removed ip_csum (from slhc.c too)
  *		Bjorn Ekwall	:	Moved ip_fast_csum to ip.h (inline!)
  *		Stefan Becker   :       Send out ICMP HOST REDIRECT
+ *		Alan Cox	:	Only send ICMP_REDIRECT if src/dest are the same net.
  *  
  *
  * To Fix:
@@ -1365,11 +1366,11 @@ static void ip_forward(struct sk_buff *skb, struct device *dev, int is_frag)
 	 *	arrived upon. We now generate an ICMP HOST REDIRECT giving the route
 	 *	we calculated.
 	 */
-#ifdef IP_NO_ICMP_REDIRECT
+#ifdef CONFIG_IP_NO_ICMP_REDIRECT
 	if (dev == dev2)
 		return;
 #else
-	if (dev == dev2)
+	if (dev == dev2 && (iph->saddr&dev->pa_mask) == (iph->daddr & dev->pa_mask))
 		icmp_send(skb, ICMP_REDIRECT, ICMP_REDIR_HOST, raddr, dev);
 #endif		
 

net/inet/ipx.c

@@ -431,6 +431,8 @@ ipxitf_adjust_skbuff(ipx_interface *intrfc, struct sk_buff *skb)
 
 	/* Hopefully, most cases */
 	if (in_offset == out_offset) {
+		skb->len += out_offset;
+		skb->arp = skb->free = 1;
 		return skb;
 	}
 
@@ -440,6 +442,7 @@ ipxitf_adjust_skbuff(ipx_interface *intrfc, struct sk_buff *skb)
 		skb->h.raw = &(skb->data[out_offset]);
 		memmove(skb->h.raw, oldraw, skb->len);
 		skb->len += out_offset;
+		skb->arp = skb->free = 1;
 		return skb;
 	}
 
@@ -570,6 +573,11 @@ ipxitf_rcv(ipx_interface *intrfc, struct sk_buff *skb)
 		}
 	}
 
+	if (ipx->ipx_dest.net == 0L)
+		ipx->ipx_dest.net = intrfc->if_netnum;
+	if (ipx->ipx_source.net == 0L)
+		ipx->ipx_source.net = intrfc->if_netnum;
+
 	if (intrfc->if_netnum != ipx->ipx_dest.net) {
 		/* We only route point-to-point packets. */
 		if ((skb->pkt_type != PACKET_BROADCAST) &&
@@ -1708,9 +1716,9 @@ static int ipx_recvfrom(struct socket *sock, void *ubuf, int size, int noblock,
 {
 	ipx_socket *sk=(ipx_socket *)sock->data;
 	struct sockaddr_ipx *sipx=(struct sockaddr_ipx *)sip;
-	struct ipx_packet	*ipx = NULL;
-	/* FILL ME IN */
+	struct ipx_packet *ipx = NULL;
 	int copied = 0;
+	int truesize;
 	struct sk_buff *skb;
 	int er;
 	
@@ -1732,7 +1740,8 @@ static int ipx_recvfrom(struct socket *sock, void *ubuf, int size, int noblock,
 		return er;
 
 	ipx = (ipx_packet *)(skb->h.raw);
-	copied=ntohs(ipx->ipx_pktsize) - sizeof(ipx_packet);
+	truesize=ntohs(ipx->ipx_pktsize) - sizeof(ipx_packet);
+	copied = (truesize > size) ? size : truesize;
 	skb_copy_datagram(skb,sizeof(struct ipx_packet),ubuf,copied);
 	
 	if(sipx)
@@ -1744,7 +1753,7 @@ static int ipx_recvfrom(struct socket *sock, void *ubuf, int size, int noblock,
 		sipx->sipx_type = ipx->ipx_type;
 	}
 	skb_free_datagram(skb);
-	return(copied);
+	return(truesize);
 }		
 
 static int ipx_write(struct socket *sock, char *ubuf, int size, int noblock)