This is a note to let you know that I've just added the patch titled
md: bcache: io.c: fix a potential NULL pointer dereference
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
0001-md-bcache-io.c-fix-a-potential-NULL-pointer-derefere.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 5228e7e8925d4371742984ca42e60d0f00b4bea6 Mon Sep 17 00:00:00 2001
From: Kumar Amit Mehta <[email protected]>
Date: Tue, 28 May 2013 00:31:15 -0700
Subject: md: bcache: io.c: fix a potential NULL pointer dereference
bio_alloc_bioset returns NULL on failure. This fix adds a missing check
for potential NULL pointer dereferencing.
Signed-off-by: Kumar Amit Mehta <[email protected]>
---
drivers/md/bcache/io.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c
index 48efd4d..d285cd4 100644
--- a/drivers/md/bcache/io.c
+++ b/drivers/md/bcache/io.c
@@ -97,6 +97,8 @@ struct bio *bch_bio_split(struct bio *bio, int sectors,
if (bio->bi_rw & REQ_DISCARD) {
ret = bio_alloc_bioset(gfp, 1, bs);
+ if (!ret)
+ return NULL;
idx = 0;
goto out;
}
--
1.8.4.6.g82e253f.dirty
Patches currently in stable-queue which might be from [email protected] are
queue-3.10/md-bcache-io.c-fix-a-potential-null-pointer-dereference.patch
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