[PATCH net 1/2] virtio_net: rename ret to err

[Heng Qi <hengqi@linux.alibaba.com>]

The integer variable 'ret', denoting the return code, is mismatched with
the boolean return type of virtnet_send_command_reply(); hence, it is
renamed to 'err'.

The usage of 'ret' is deferred to the next patch.

Signed-off-by: Heng Qi <hengqi@linux.alibaba.com>
---
 drivers/net/virtio_net.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 4a802c0ea2cb..6b0512a628e0 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2686,7 +2686,7 @@ static bool virtnet_send_command_reply(struct virtnet_info *vi, u8 class, u8 cmd
 {
 	struct scatterlist *sgs[5], hdr, stat;
 	u32 out_num = 0, tmp, in_num = 0;
-	int ret;
+	int err;
 
 	/* Caller should know better */
 	BUG_ON(!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ));
@@ -2710,10 +2710,10 @@ static bool virtnet_send_command_reply(struct virtnet_info *vi, u8 class, u8 cmd
 		sgs[out_num + in_num++] = in;
 
 	BUG_ON(out_num + in_num > ARRAY_SIZE(sgs));
-	ret = virtqueue_add_sgs(vi->cvq, sgs, out_num, in_num, vi, GFP_ATOMIC);
-	if (ret < 0) {
+	err = virtqueue_add_sgs(vi->cvq, sgs, out_num, in_num, vi, GFP_ATOMIC);
+	if (err < 0) {
 		dev_warn(&vi->vdev->dev,
-			 "Failed to add sgs for command vq: %d\n.", ret);
+			 "Failed to add sgs for command vq: %d\n.", err);
 		mutex_unlock(&vi->cvq_lock);
 		return false;
 	}
-- 
2.32.0.3.g01195cf9f