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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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