link-config: match length for kernel commandline option

This prevents enable_name_policy() from invariably returning false when
it matches a zero length string at the end of /proc/cmdline.

diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
index 726945816dc79580da31dfd04a3ea2a43eaec469..cb4af143dc1fb78996dda39cee77cbc7625c40fb 100644 (file)
--- a/src/udev/net/link-config.c
+++ b/src/udev/net/link-config.c
@@ -202,7 +202,7 @@ static bool enable_name_policy(void) {
                 return true;
 
         FOREACH_WORD_QUOTED(w, l, line, state)
-                if (strneq(w, "net.ifnames=0", l))
+                if (l == sizeof("net.ifnames=0") - 1 && strneq(w, "net.ifnames=0", l))
                         return false;
 
         return true;