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block: fix memory leak in bio_clone()
author
Li Zefan
<lizf@cn.fujitsu.com>
Mon, 9 Mar 2009 09:42:45 +0000
(10:42 +0100)
committer
Jens Axboe
<jens.axboe@oracle.com>
Sat, 14 Mar 2009 20:06:52 +0000
(21:06 +0100)
If bio_integrity_clone() fails, bio_clone() returns NULL without freeing
the newly allocated bio.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
fs/bio.c
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diff --git
a/fs/bio.c
b/fs/bio.c
index
cf74737
..
d4f0632
100644
(file)
--- a/
fs/bio.c
+++ b/
fs/bio.c
@@
-465,8
+465,10
@@
struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask)
ret = bio_integrity_clone(b, bio, gfp_mask, fs_bio_set);
- if (ret < 0)
+ if (ret < 0) {
+ bio_put(b);
return NULL;
+ }
}
return b;