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| author | Martin Wilck <mwilck@suse.com> | 2018-07-26 00:15:08 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-07-26 20:52:33 +0300 |
| commit | 9362dd1109f87a9d0a798fbc890cb339c171ed35 (patch) | |
| tree | 1cbf83057e024072940a67290c1f15ecc64e8bc4 | |
| parent | b403ea2404889e1227812fa9657667a1deb9c694 (diff) | |
| download | linux-9362dd1109f87a9d0a798fbc890cb339c171ed35.tar.xz | |
blkdev: __blkdev_direct_IO_simple: fix leak in error case
Fixes: 72ecad22d9f1 ("block: support a full bio worth of IO for simplified bdev direct-io")
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | fs/block_dev.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 05e12aea2404..192005376884 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -220,7 +220,7 @@ __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter, ret = bio_iov_iter_get_pages(&bio, iter); if (unlikely(ret)) - return ret; + goto out; ret = bio.bi_iter.bi_size; if (iov_iter_rw(iter) == READ) { @@ -249,12 +249,13 @@ __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter, put_page(bvec->bv_page); } - if (vecs != inline_vecs) - kfree(vecs); - if (unlikely(bio.bi_status)) ret = blk_status_to_errno(bio.bi_status); +out: + if (vecs != inline_vecs) + kfree(vecs); + bio_uninit(&bio); return ret; |