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Subject[PATCH] hfsplus: add missing call to bio_put()
Date
hfsplus leaks bio objects by failing to call bio_put() on the bios
it allocates. Add the missing call to fix the leak.

Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Cc: <stable@kernel.org> # .38.x, .39.x
---
fs/hfsplus/wrapper.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c
index 3031d81..4ac88ff 100644
--- a/fs/hfsplus/wrapper.c
+++ b/fs/hfsplus/wrapper.c
@@ -36,6 +36,7 @@ int hfsplus_submit_bio(struct block_device *bdev, sector_t sector,
{
DECLARE_COMPLETION_ONSTACK(wait);
struct bio *bio;
+ int ret = 0;

bio = bio_alloc(GFP_NOIO, 1);
bio->bi_sector = sector;
@@ -54,8 +55,10 @@ int hfsplus_submit_bio(struct block_device *bdev, sector_t sector,
wait_for_completion(&wait);

if (!bio_flagged(bio, BIO_UPTODATE))
- return -EIO;
- return 0;
+ ret = -EIO;
+
+ bio_put(bio);
+ return ret;
}

static int hfsplus_read_mdb(void *bufptr, struct hfsplus_wd *wd)
--
1.7.4.1


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