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| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2016-10-30 05:28:27 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-11-06 14:14:59 -0700 |
| commit | 772918524dfb8c8869120728c1b1109a2d49493c (patch) | |
| tree | 387018dd45b281964a3f1c64766b3efb98a784fc /drivers/block | |
| parent | bc33b0ca11e3df467777a4fa7639ba488c9d4911 (diff) | |
| download | linux-772918524dfb8c8869120728c1b1109a2d49493c.tar.gz linux-772918524dfb8c8869120728c1b1109a2d49493c.tar.bz2 linux-772918524dfb8c8869120728c1b1109a2d49493c.zip | |
nbd: Fix error handling
'blk_mq_alloc_request()' returns an error pointer in case of error, not
NULL. So test it with IS_ERR.
Fixes: fd8383fd88a2 ("nbd: convert to blkmq")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/nbd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 19a16b2dbb91..7a1048755914 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -599,7 +599,7 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd, return -EINVAL; sreq = blk_mq_alloc_request(bdev_get_queue(bdev), WRITE, 0); - if (!sreq) + if (IS_ERR(sreq)) return -ENOMEM; mutex_unlock(&nbd->tx_lock); |