vhost-net: comment use of invalid fd when setting vhost backend

Commit Message

Chris Wright Dec. 22, 2009, 6:18 p.m. UTC

None

Patch

diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 22d5fef..cc92086 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -465,6 +465,7 @@  static struct socket *get_tun_socket(int fd)
 static struct socket *get_socket(int fd)
 {
 	struct socket *sock;
+	/* special case to disable backend */
 	if (fd == -1)
 		return NULL;
 	sock = get_raw_socket(fd);