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Subject[PATCH] block: fix memory leak in bio_clone()
If bio_integrity_clone() fails, bio_clone() returns NULL without freeing
the newly allocated bio.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
---
fs/bio.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/fs/bio.c b/fs/bio.c
index 124b95c..896330e 100644
--- 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, fs_bio_set);

- if (ret < 0)
+ if (ret < 0) {
+ bio_put(bio);
return NULL;
+ }
}

return b;
-- 1.5.4.rc3

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