Commit fc2dcf95 authored by Linus Torvalds's avatar Linus Torvalds

Merge bk://linus@bkbits.net/linux-2.5

into home.transmeta.com:/home/torvalds/v2.5/linux
parents b16d3cbc b88ac404
......@@ -413,11 +413,12 @@ struct request *blk_queue_find_tag(request_queue_t *q, int tag)
{
struct blk_queue_tag *bqt = q->queue_tags;
if (unlikely(bqt == NULL || bqt->max_depth < tag))
if (unlikely(bqt == NULL || tag >= bqt->real_max_depth))
return NULL;
return bqt->tag_index[tag];
}
/**
* blk_queue_free_tags - release tag maintenance info
* @q: the request queue for the device
......@@ -448,39 +449,28 @@ void blk_queue_free_tags(request_queue_t *q)
q->queue_flags &= ~(1 << QUEUE_FLAG_QUEUED);
}
/**
* blk_queue_init_tags - initialize the queue tag info
* @q: the request queue for the device
* @depth: the maximum queue depth supported
**/
int blk_queue_init_tags(request_queue_t *q, int depth)
static int init_tag_map(struct blk_queue_tag *tags, int depth)
{
struct blk_queue_tag *tags;
int bits, i;
if (depth > (queue_nr_requests*2)) {
depth = (queue_nr_requests*2);
printk("blk_queue_init_tags: adjusted depth to %d\n", depth);
printk(KERN_ERR "%s: adjusted depth to %d\n", __FUNCTION__, depth);
}
tags = kmalloc(sizeof(struct blk_queue_tag),GFP_ATOMIC);
if (!tags)
goto fail;
tags->tag_index = kmalloc(depth * sizeof(struct request *), GFP_ATOMIC);
if (!tags->tag_index)
goto fail_index;
goto fail;
bits = (depth / BLK_TAGS_PER_LONG) + 1;
tags->tag_map = kmalloc(bits * sizeof(unsigned long), GFP_ATOMIC);
if (!tags->tag_map)
goto fail_map;
goto fail;
memset(tags->tag_index, 0, depth * sizeof(struct request *));
memset(tags->tag_map, 0, bits * sizeof(unsigned long));
INIT_LIST_HEAD(&tags->busy_list);
tags->busy = 0;
tags->max_depth = depth;
tags->real_max_depth = bits * BITS_PER_LONG;
/*
* set the upper bits if the depth isn't a multiple of the word size
......@@ -488,21 +478,88 @@ int blk_queue_init_tags(request_queue_t *q, int depth)
for (i = depth; i < bits * BLK_TAGS_PER_LONG; i++)
__set_bit(i, tags->tag_map);
return 0;
fail:
kfree(tags->tag_index);
return -ENOMEM;
}
/**
* blk_queue_init_tags - initialize the queue tag info
* @q: the request queue for the device
* @depth: the maximum queue depth supported
**/
int blk_queue_init_tags(request_queue_t *q, int depth)
{
struct blk_queue_tag *tags;
tags = kmalloc(sizeof(struct blk_queue_tag),GFP_ATOMIC);
if (!tags)
goto fail;
if (init_tag_map(tags, depth))
goto fail;
INIT_LIST_HEAD(&tags->busy_list);
tags->busy = 0;
/*
* assign it, all done
*/
q->queue_tags = tags;
q->queue_flags |= (1 << QUEUE_FLAG_QUEUED);
return 0;
fail_map:
kfree(tags->tag_index);
fail_index:
kfree(tags);
fail:
kfree(tags);
return -ENOMEM;
}
/**
* blk_queue_resize_tags - change the queueing depth
* @q: the request queue for the device
* @new_depth: the new max command queueing depth
*
* Notes:
* Must be called with the queue lock held.
**/
int blk_queue_resize_tags(request_queue_t *q, int new_depth)
{
struct blk_queue_tag *bqt = q->queue_tags;
struct request **tag_index;
unsigned long *tag_map;
int bits, max_depth;
if (!bqt)
return -ENXIO;
/*
* don't bother sizing down
*/
if (new_depth <= bqt->real_max_depth) {
bqt->max_depth = new_depth;
return 0;
}
/*
* save the old state info, so we can copy it back
*/
tag_index = bqt->tag_index;
tag_map = bqt->tag_map;
max_depth = bqt->real_max_depth;
if (init_tag_map(bqt, new_depth))
return -ENOMEM;
memcpy(bqt->tag_index, tag_index, max_depth * sizeof(struct request *));
bits = max_depth / BLK_TAGS_PER_LONG;
memcpy(bqt->tag_map, bqt->tag_map, bits * sizeof(unsigned long));
kfree(tag_index);
kfree(tag_map);
return 0;
}
/**
* blk_queue_end_tag - end tag operations for a request
* @q: the request queue for the device
......@@ -524,7 +581,7 @@ void blk_queue_end_tag(request_queue_t *q, struct request *rq)
BUG_ON(tag == -1);
if (unlikely(tag >= bqt->max_depth))
if (unlikely(tag >= bqt->real_max_depth))
return;
if (unlikely(!__test_and_clear_bit(tag, bqt->tag_map))) {
......
......@@ -203,8 +203,8 @@
#define LOCKUP 8
struct gtt_data {
agp_memory *i810_fb_memory;
agp_memory *i810_cursor_memory;
struct agp_memory *i810_fb_memory;
struct agp_memory *i810_cursor_memory;
};
struct mode_registers {
......
......@@ -1926,11 +1926,6 @@ static void __exit i810fb_remove_pci(struct pci_dev *dev)
#ifndef MODULE
int __init i810fb_init(void)
{
if (agp_init()) {
printk("i810fb_init: cannot initialize agpgart\n");
return -ENODEV;
}
if (agp_intel_init()) {
printk("i810fb_init: cannot initialize intel agpgart\n");
return -ENODEV;
......
......@@ -111,7 +111,6 @@ static int i810fb_blank (int blank_mode, struct fb_info *info);
/* Initialization */
static void i810fb_release_resource (struct fb_info *info, struct i810fb_par *par);
extern int __init agp_intel_init(void);
extern int __init agp_init(void);
/* Video Timings */
......
......@@ -2868,8 +2868,8 @@ static int sisfb_heap_init(void)
unsigned long *write_port = 0;
SIS_CMDTYPE cmd_type;
#ifndef AGPOFF
agp_kern_info *agp_info;
agp_memory *agp;
struct agp_kern_info *agp_info;
struct agp_memory *agp;
u32 agp_phys;
#endif
#endif
......@@ -2946,8 +2946,8 @@ static int sisfb_heap_init(void)
#ifndef AGPOFF
if (sisfb_queuemode == AGP_CMD_QUEUE) {
agp_info = vmalloc(sizeof(agp_kern_info));
memset((void*)agp_info, 0x00, sizeof(agp_kern_info));
agp_info = vmalloc(sizeof(*agp_info));
memset((void*)agp_info, 0x00, sizeof(*agp_info));
agp_copy_info(agp_info);
agp_backend_acquire();
......
......@@ -89,6 +89,8 @@ __register_chrdev_region(unsigned int major, unsigned int baseminor,
if (cd == NULL)
return ERR_PTR(-ENOMEM);
memset(cd, 0, sizeof(struct char_device_struct));
write_lock_irq(&chrdevs_lock);
/* temporary */
......
......@@ -94,13 +94,17 @@ cifs_read_super(struct super_block *sb, void *data,
sb->s_blocksize_bits = 14; /* default 2**14 = CIFS_MAX_MSGSIZE */
inode = iget(sb, ROOT_I);
if (!inode)
if (!inode) {
rc = -ENOMEM;
goto out_no_root;
}
sb->s_root = d_alloc_root(inode);
if (!sb->s_root)
if (!sb->s_root) {
rc = -ENOMEM;
goto out_no_root;
}
return 0;
......@@ -114,7 +118,7 @@ cifs_read_super(struct super_block *sb, void *data,
unload_nls(cifs_sb->local_nls);
if(cifs_sb)
kfree(cifs_sb);
return -EINVAL;
return rc;
}
void
......@@ -332,7 +336,7 @@ struct file_operations cifs_file_ops = {
.release = cifs_close,
.lock = cifs_lock,
.fsync = cifs_fsync,
.flush = cifs_flush,
.flush = cifs_flush,
.mmap = cifs_file_mmap,
.sendfile = generic_file_sendfile,
};
......
......@@ -346,6 +346,7 @@ parse_mount_options(char *options, const char *devname, struct smb_vol *vol)
{
char *value;
char *data;
int temp_len;
memset(vol,0,sizeof(struct smb_vol));
vol->linux_uid = current->uid; /* current->euid instead? */
......@@ -398,8 +399,9 @@ parse_mount_options(char *options, const char *devname, struct smb_vol *vol)
"CIFS: invalid path to network resource\n");
return 1; /* needs_arg; */
}
if (strnlen(value, 300) < 300) {
vol->UNC = value;
if ((temp_len = strnlen(value, 300)) < 300) {
vol->UNC = kmalloc(GFP_KERNEL, temp_len);
strcpy(vol->UNC,value);
if (strncmp(vol->UNC, "//", 2) == 0) {
vol->UNC[0] = '\\';
vol->UNC[1] = '\\';
......@@ -472,8 +474,9 @@ parse_mount_options(char *options, const char *devname, struct smb_vol *vol)
printk(KERN_WARNING "CIFS: Missing UNC name for mount target\n");
return 1;
}
if (strnlen(devname, 300) < 300) {
vol->UNC = devname;
if ((temp_len = strnlen(devname, 300)) < 300) {
vol->UNC = kmalloc(GFP_KERNEL, temp_len);
strcpy(vol->UNC,devname);
if (strncmp(vol->UNC, "//", 2) == 0) {
vol->UNC[0] = '\\';
vol->UNC[1] = '\\';
......@@ -812,6 +815,8 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
cFYI(1, ("Entering cifs_mount. Xid: %d with: %s", xid, mount_data));
if (parse_mount_options(mount_data, devname, &volume_info)) {
if(volume_info.UNC)
kfree(volume_info.UNC);
FreeXid(xid);
return -EINVAL;
}
......@@ -852,6 +857,8 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
("Error connecting to IPv4 socket. Aborting operation"));
if(csocket != NULL)
sock_release(csocket);
if(volume_info.UNC)
kfree(volume_info.UNC);
FreeXid(xid);
return rc;
}
......@@ -860,6 +867,8 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
if (srvTcp == NULL) {
rc = -ENOMEM;
sock_release(csocket);
if(volume_info.UNC)
kfree(volume_info.UNC);
FreeXid(xid);
return rc;
} else {
......@@ -943,6 +952,8 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
"",
cifs_sb->
local_nls);
if(volume_info.UNC)
kfree(volume_info.UNC);
FreeXid(xid);
return -ENODEV;
} else {
......@@ -995,7 +1006,8 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
if (tcon->ses->capabilities & CAP_UNIX)
CIFSSMBQFSUnixInfo(xid, tcon, cifs_sb->local_nls);
}
if(volume_info.UNC)
kfree(volume_info.UNC);
FreeXid(xid);
return rc;
}
......@@ -2293,7 +2305,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
length = strnlen(bcc_ptr, BCC(smb_buffer_response) - 2);
/* skip service field (NB: this field is always ASCII) */
bcc_ptr += length + 1;
strncpy(tcon->treeName, tree, MAX_TREE_SIZE);
strncpy(tcon->treeName, tree, MAX_TREE_SIZE);
if (smb_buffer->Flags2 &= SMBFLG2_UNICODE) {
length = UniStrnlen((wchar_t *) bcc_ptr, 512);
if (((long) bcc_ptr + (2 * length)) -
......
......@@ -46,7 +46,7 @@ struct smb_to_posix_error {
const struct smb_to_posix_error mapping_table_ERRDOS[] = {
{ERRbadfunc, -EINVAL},
{ERRbadfile, -ENOENT},
{ERRbadpath, -ENOENT},
{ERRbadpath, -ENOTDIR},
{ERRnofids, -EMFILE},
{ERRnoaccess, -EACCES},
{ERRbadfid, -EBADF},
......@@ -63,26 +63,29 @@ const struct smb_to_posix_error mapping_table_ERRDOS[] = {
{ERRnofiles, -ENOENT},
{ERRbadshare, -ETXTBSY},
{ERRlock, -EACCES},
{ERRfilexists, -EINVAL},
{ERRunsup, -EINVAL},
{ERRnosuchshare,-ENXIO},
{ERRfilexists, -EEXIST},
{ERRinvparm, -EINVAL},
{ERRdiskfull, -ENOSPC},
{ERRinvnum, -EINVAL},
{ERRinvname, -ENOENT},
{ERRdirnotempty, -ENOTEMPTY},
{ERRnotlocked, -ENOLCK},
{ERRalreadyexists, -EEXIST},
{ERRmoredata, -EOVERFLOW},
{ErrQuota, -EDQUOT},
{ErrNotALink, -ENOLINK},
{ERRnetlogonNotStarted,-ENOPROTOOPT},
{0, 0}
};
const struct smb_to_posix_error mapping_table_ERRSRV[] = {
{ERRerror, -EIO},
{ERRbadpw, -EACCES},
{ERRbadpw, -EPERM},
{ERRbadtype, -EREMOTE},
{ERRaccess, -EACCES},
{ERRinvtid, -ENXIO},
{ERRinvnetname, -ENOENT},
{ERRinvnetname, -ENODEV},
{ERRinvdevice, -ENXIO},
{ERRqfull, -ENOSPC},
{ERRqtoobig, -ENOSPC},
......@@ -617,7 +620,7 @@ static const struct {
ERRHRD, ERRgeneral, NT_STATUS_EVENTLOG_CANT_START}, {
ERRDOS, ERRnoaccess, NT_STATUS_TRUST_FAILURE}, {
ERRHRD, ERRgeneral, NT_STATUS_MUTANT_LIMIT_EXCEEDED}, {
ERRDOS, 2455, NT_STATUS_NETLOGON_NOT_STARTED}, {
ERRDOS, ERRnetlogonNotStarted, NT_STATUS_NETLOGON_NOT_STARTED}, {
ERRSRV, 2239, NT_STATUS_ACCOUNT_EXPIRED}, {
ERRHRD, ERRgeneral, NT_STATUS_POSSIBLE_DEADLOCK}, {
ERRHRD, ERRgeneral, NT_STATUS_NETWORK_CREDENTIAL_CONFLICT}, {
......
......@@ -59,7 +59,7 @@
#define ERRfilexists 80 /* The file named in the request already exists. */
#define ERRinvparm 87
#define ERRdiskfull 112
#define ERRinvnum 123
#define ERRinvname 123
#define ERRdirnotempty 145
#define ERRnotlocked 158
#define ERRalreadyexists 183
......@@ -109,4 +109,5 @@ class.*/
#define ERRbadclient 2240
#define ERRbadLogonTime 2241
#define ERRpasswordExpired 2242
#define ERRnetlogonNotStarted 2455
#define ERRnosupport 0xFFFF
......@@ -179,7 +179,8 @@ struct blk_queue_tag {
unsigned long *tag_map; /* bit map of free/busy tags */
struct list_head busy_list; /* fifo list of busy tags */
int busy; /* current depth */
int max_depth;
int max_depth; /* what we will send to device */
int real_max_depth; /* what the array can hold */
};
struct request_queue
......@@ -452,6 +453,7 @@ extern struct request *blk_queue_find_tag(request_queue_t *, int);
extern void blk_queue_end_tag(request_queue_t *, struct request *);
extern int blk_queue_init_tags(request_queue_t *, int);
extern void blk_queue_free_tags(request_queue_t *);
extern int blk_queue_resize_tags(request_queue_t *, int);
extern void blk_queue_invalidate_tags(request_queue_t *);
extern void blk_congestion_wait(int rw, long timeout);
......
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