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[V2,4/6] tcm_vhost: Fix vs->vs_endpoint checking in vhost_scsi_handle_vq()

Message ID 1362709307-12554-5-git-send-email-asias@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Asias He March 8, 2013, 2:21 a.m. UTC
vs->vs_endpoint is protected by the vs->dev.mutex. Use
tcm_vhost_check_endpoint() to do check. The helper does the needed
locking for us.

Signed-off-by: Asias He <asias@redhat.com>
---
 drivers/vhost/tcm_vhost.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c
index b71e946..6739d67 100644
--- a/drivers/vhost/tcm_vhost.c
+++ b/drivers/vhost/tcm_vhost.c
@@ -606,7 +606,7 @@  static void vhost_scsi_handle_vq(struct vhost_scsi *vs,
 	u8 target;
 
 	/* Must use ioctl VHOST_SCSI_SET_ENDPOINT */
-	if (unlikely(!vs->vs_endpoint))
+	if (!tcm_vhost_check_endpoint(vs))
 		return;
 
 	mutex_lock(&vq->mutex);