[PATCH] 9p/trans_virtio: Remove sysfs file on probe failure

[Xie Yongji]

This ensures we don't leak the sysfs file if we failed to
allocate chan->vc_wq during probe.

Signed-off-by: Xie Yongji <xieyongji@xxxxxxxxxxxxx>
---
 net/9p/trans_virtio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 93f2f8654882..0960ed1ad7ac 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -610,7 +610,7 @@ static int p9_virtio_probe(struct virtio_device *vdev)
 	chan->vc_wq = kmalloc(sizeof(wait_queue_head_t), GFP_KERNEL);
 	if (!chan->vc_wq) {
 		err = -ENOMEM;
-		goto out_free_tag;
+		goto out_remove_file;
 	}
 	init_waitqueue_head(chan->vc_wq);
 	chan->ring_bufs_avail = 1;
@@ -628,6 +628,8 @@ static int p9_virtio_probe(struct virtio_device *vdev)
 
 	return 0;
 
+out_remove_file:
+	sysfs_remove_file(&vdev->dev.kobj, &dev_attr_mount_tag.attr);
 out_free_tag:
 	kfree(tag);
 out_free_vq:
-- 
2.11.0