Fix up various small compile warnings in an effort at

getting rid of the simple stuff that hides the serious things. 

drivers/char/rio/rio_linux.c

@@ -465,7 +465,8 @@ static irqreturn_t rio_interrupt (int irq, void *ptr, struct pt_regs *regs)
     rio_reset_interrupt (HostP);
   }
 
-  if ((HostP->Flags & RUN_STATE) != RC_RUNNING) return;
+  if ((HostP->Flags & RUN_STATE) != RC_RUNNING)
+  	return IRQ_HANDLED;
 
   if (test_and_set_bit (RIO_BOARD_INTR_LOCK, &HostP->locks)) {
     printk (KERN_ERR "Recursive interrupt! (host %d/irq%d)\n", 

drivers/char/specialix.c

@@ -171,8 +171,6 @@
 #define MIN(a,b) ((a) < (b) ? (a) : (b))
 #endif
 
-DECLARE_TASK_QUEUE(tq_specialix);
-
 #undef RS_EVENT_WRITE_WAKEUP
 #define RS_EVENT_WRITE_WAKEUP	0
 
@@ -988,7 +986,7 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
 	long tmp;
 	unsigned char cor1 = 0, cor3 = 0;
 	unsigned char mcor1 = 0, mcor2 = 0;
-	static int again;
+	static unsigned long again;
 	
 	if (!(tty = port->tty) || !tty->termios)
 		return;

drivers/ide/ide-tape.c

@@ -6272,8 +6272,8 @@ static int idetape_cleanup (ide_drive_t *drive)
 	DRIVER(drive)->busy = 0;
 	(void) ide_unregister_subdriver(drive);
 	drive->driver_data = NULL;
-	devfs_remove("%s/mt");
-	devfs_remove("%s/mtn");
+	devfs_remove("%s/mt", drive->devfs_name);
+	devfs_remove("%s/mtn", drive->devfs_name);
 	devfs_unregister_tape(drive->disk->number);
 	kfree (tape);
 	drive->disk->fops = ide_fops;

drivers/ieee1394/csr.c

@@ -118,7 +118,7 @@ static inline void calculate_expire(struct csr_control *csr)
 	/* Just to keep from rounding low */
 	csr->expire++;
 
-	HPSB_VERBOSE("CSR: setting expire to %lu, HZ=%lu", csr->expire, HZ);
+	HPSB_VERBOSE("CSR: setting expire to %lu, HZ=%u", csr->expire, HZ);
 }