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authorLinus Torvalds <torvalds@g5.osdl.org>2005-11-18 13:49:44 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-18 13:49:44 -0800
commitbcd039b230f738243193ef7dbb03298d967b8370 (patch)
treebec1988fa1d7f8dbcd445a82ad68c27330df03a9 /drivers
parente67b23c71cb9ee02d65a74c3858716ba2dedd554 (diff)
parent6f5a0f7c955d3567f800fa36f978758cb5b99aa2 (diff)
Merge branch 'for-linus' of git://brick.kernel.dk/data/git/linux-2.6-block
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/cciss.c40
1 files changed, 28 insertions, 12 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index e239a6c2923..a9e33db46e6 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1017,10 +1017,11 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
status = -ENOMEM;
goto cleanup1;
}
- if (ioc->Request.Type.Direction == XFER_WRITE &&
- copy_from_user(buff[sg_used], data_ptr, sz)) {
+ if (ioc->Request.Type.Direction == XFER_WRITE) {
+ if (copy_from_user(buff[sg_used], data_ptr, sz)) {
status = -ENOMEM;
- goto cleanup1;
+ goto cleanup1;
+ }
} else {
memset(buff[sg_used], 0, sz);
}
@@ -1138,8 +1139,15 @@ static int revalidate_allvol(ctlr_info_t *host)
for(i=0; i< NWD; i++) {
struct gendisk *disk = host->gendisk[i];
- if (disk->flags & GENHD_FL_UP)
- del_gendisk(disk);
+ if (disk) {
+ request_queue_t *q = disk->queue;
+
+ if (disk->flags & GENHD_FL_UP)
+ del_gendisk(disk);
+ if (q)
+ blk_cleanup_queue(q);
+ put_disk(disk);
+ }
}
/*
@@ -1453,10 +1461,13 @@ static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
* allows us to delete disk zero but keep the controller registered.
*/
if (h->gendisk[0] != disk){
- if (disk->flags & GENHD_FL_UP){
- blk_cleanup_queue(disk->queue);
- del_gendisk(disk);
- drv->queue = NULL;
+ if (disk) {
+ request_queue_t *q = disk->queue;
+ if (disk->flags & GENHD_FL_UP)
+ del_gendisk(disk);
+ if (q)
+ blk_cleanup_queue(q);
+ put_disk(disk);
}
}
@@ -3225,9 +3236,14 @@ static void __devexit cciss_remove_one (struct pci_dev *pdev)
/* remove it from the disk list */
for (j = 0; j < NWD; j++) {
struct gendisk *disk = hba[i]->gendisk[j];
- if (disk->flags & GENHD_FL_UP) {
- del_gendisk(disk);
- blk_cleanup_queue(disk->queue);
+ if (disk) {
+ request_queue_t *q = disk->queue;
+
+ if (disk->flags & GENHD_FL_UP)
+ del_gendisk(disk);
+ if (q)
+ blk_cleanup_queue(q);
+ put_disk(disk);
}
}