diff mbox

[3/3] vhost-net: use lock_sock_fast() in peek_head_len()

Message ID 20110117081117.18900.48672.stgit@dhcp-91-7.nay.redhat.com.englab.nay.redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jason Wang Jan. 17, 2011, 8:11 a.m. UTC
None
diff mbox

Patch

diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index c32a2e4..50b622a 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -211,12 +211,12 @@  static int peek_head_len(struct sock *sk)
 {
 	struct sk_buff *head;
 	int len = 0;
+	bool slow = lock_sock_fast(sk);
 
-	lock_sock(sk);
 	head = skb_peek(&sk->sk_receive_queue);
 	if (head)
 		len = head->len;
-	release_sock(sk);
+	unlock_sock_fast(sk, slow);
 	return len;
 }