Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=794e64d5e9c7f088378e093a48eb36a30091d82d
Commit: 794e64d5e9c7f088378e093a48eb36a30091d82d
Parent: 76832d8416430d6dd0575579ca1e00d1a790f4cb
Author: Neil Brown <[EMAIL PROTECTED]>
AuthorDate: Mon Dec 10 15:49:30 2007 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Mon Dec 10 19:43:55 2007 -0800
Fix NULL dereference in umem.c
Fix NULL dereference in umem.c
Signed-off-by: Neil Brown <[EMAIL PROTECTED]>
Tested-by: Dave Chinner <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
drivers/block/umem.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index 99806f9..5f5095a 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -484,7 +484,8 @@ static void process_page(unsigned long data)
page->idx++;
if (page->idx >= bio->bi_vcnt) {
page->bio = bio->bi_next;
- page->idx = page->bio->bi_idx;
+ if (page->bio)
+ page->idx = page->bio->bi_idx;
}
pci_unmap_page(card->dev, desc->data_dma_handle,
-
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