* [PATCH] virtio_blk: fix blk_mq_init_queue() error handling
@ 2015-01-08 10:05 Jürg Billeter
0 siblings, 0 replies; only message in thread
From: Jürg Billeter @ 2015-01-08 10:05 UTC (permalink / raw)
To: Rusty Russell, Michael S. Tsirkin
Cc: virtualization, linux-kernel, Jürg Billeter
blk_mq_init_queue() returns ERR_PTR() on failure, not NULL.
Signed-off-by: Jürg Billeter <j@bitron.ch>
---
drivers/block/virtio_blk.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 7ef7c09..b1b5c75 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -638,8 +638,8 @@ 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) {
- err = -ENOMEM;
+ if (IS_ERR(q)) {
+ err = PTR_ERR(q);
goto out_free_tags;
}
--
2.2.1
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2015-01-08 10:05 [PATCH] virtio_blk: fix blk_mq_init_queue() error handling Jürg Billeter
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