[PATCH] vhost/vsock: Micro optimize error handle

[richard.peng@xxxxxxxx]

When a vq error, there is no need to operate on the unmodified vq.

Signed-off-by:Peng Hao <richard.peng@xxxxxxxx>
---
Âdrivers/vhost/vsock.c | 6 +++---
Â1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index 6a50e1d..0bed19d 100644
--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -437,7 +437,7 @@ static void vhost_vsock_handle_rx_kick(struct vhost_work *work)
Âstatic int vhost_vsock_start(struct vhost_vsock *vsock)
Â{
Â	struct vhost_virtqueue *vq;
-	size_t i;
+	size_t i, j;
Â	int ret;
Â
Â	mutex_lock(&vsock->dev.mutex);
@@ -473,8 +473,8 @@ static int vhost_vsock_start(struct vhost_vsock *vsock)
Â	vq->private_data = NULL;
Â	mutex_unlock(&vq->mutex);
Â
-	for (i = 0; i < ARRAY_SIZE(vsock->vqs); i++) {
-		vq = &vsock->vqs[i];
+	for (j = 0; j < i; j++) {
+		vq = &vsock->vqs[j];
Â
Â		mutex_lock(&vq->mutex);
Â		vq->private_data = NULL;
--Â
2.7.4