From: Marc-André Lureau <marcandre.lureau@redhat.com>
Date: Tue, 26 Jul 2016 21:14:56 +0000 (+0400)
Subject: vhost-user: minor simplification
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d9d261142d554504a32d95b771e9d8191631323f;p=qemu.git

vhost-user: minor simplification

Shorten the code and make it more clear by using the specialized
function g_str_has_prefix().

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---

diff --git a/net/vhost-user.c b/net/vhost-user.c
index c4d63e05eb..2af212bddb 100644
--- a/net/vhost-user.c
+++ b/net/vhost-user.c
@@ -316,7 +316,6 @@ static int net_vhost_check_net(void *opaque, QemuOpts *opts, Error **errp)
 {
     const char *name = opaque;
     const char *driver, *netdev;
-    const char virtio_name[] = "virtio-net-";
 
     driver = qemu_opt_get(opts, "driver");
     netdev = qemu_opt_get(opts, "netdev");
@@ -326,7 +325,7 @@ static int net_vhost_check_net(void *opaque, QemuOpts *opts, Error **errp)
     }
 
     if (strcmp(netdev, name) == 0 &&
-        strncmp(driver, virtio_name, strlen(virtio_name)) != 0) {
+        !g_str_has_prefix(driver, "virtio-net-")) {
         error_setg(errp, "vhost-user requires frontend driver virtio-net-*");
         return -1;
     }