* [PATCH] vhost/vsock: Micro optimize error handle
@ 2019-09-23 7:41 richard.peng
0 siblings, 0 replies; only message in thread
From: richard.peng @ 2019-09-23 7:41 UTC (permalink / raw)
To: mst, davem; +Cc: linux-kernel
When a vq error, there is no need to operate on the unmodified vq.
Signed-off-by:Peng Hao <richard.peng@oppo.com>
---
drivers/vhost/vsock.c | 6 +++---
1 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)
static int vhost_vsock_start(struct vhost_vsock *vsock)
{
struct vhost_virtqueue *vq;
- size_t i;
+ size_t i, j;
int ret;
mutex_lock(&vsock->dev.mutex);
@@ -473,8 +473,8 @@ static int vhost_vsock_start(struct vhost_vsock *vsock)
vq->private_data = NULL;
mutex_unlock(&vq->mutex);
- for (i = 0; i < ARRAY_SIZE(vsock->vqs); i++) {
- vq = &vsock->vqs[i];
+ for (j = 0; j < i; j++) {
+ vq = &vsock->vqs[j];
mutex_lock(&vq->mutex);
vq->private_data = NULL;
--
2.7.4
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2019-09-23 7:41 [PATCH] vhost/vsock: Micro optimize error handle richard.peng
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