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authorMing Lei <ming.lei@canonical.com>2015-01-02 14:25:27 +0000
committerJens Axboe <axboe@fb.com>2015-01-02 10:32:02 -0700
commit35b489d32fcc37e8735f41aa794b24cf9d1e74f5 (patch)
treef16c4c7a3148a3ca9c7c149ea6de66fd4423e7c8 /drivers/block/virtio_blk.c
parentaed3ea94bdd2ac0a21ed0103d34097e202ee77f6 (diff)
block: fix checking return value of blk_mq_init_queue
Check IS_ERR_OR_NULL(return value) instead of just return value. Signed-off-by: Ming Lei <ming.lei@canonical.com> Reduced to IS_ERR() by me, we never return NULL. Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/virtio_blk.c')
-rw-r--r--drivers/block/virtio_blk.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 7ef7c098708f..cdfbd21e3597 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -638,7 +638,7 @@ static int virtblk_probe(struct virtio_device *vdev)
goto out_put_disk;
q = vblk->disk->queue = blk_mq_init_queue(&vblk->tag_set);
- if (!q) {
+ if (IS_ERR(q)) {
err = -ENOMEM;
goto out_free_tags;
}