commit da3db6812d56e7ba11e0cf301e38568099f12884
author Ben Greear <greearb@candelatech.com> Fri Apr 03 19:34:33 2015 -0400
committer Jouni Malinen <j@w1.fi> Sat Apr 04 11:02:04 2015 +0300
tree ccddc8b8f07dad1e2cbb230c4563bf8d66e69514
parent 681278246232029c334117bd6dc7e74c6b179f96

Fix INTERFACE_ADD parsing

This fixes a regression caused by commit
efa232f9159e33e18ed624906b0093e11ddcf78e ('Add support for virtual
interface creation/deletion') for the case where an empty extra argument
is included.

Signed-off-by: Ben Greear <greearb@candelatech.com>

wpa_supplicant/ctrl_iface.c

diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index 377b9ed..d48ac8a 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -8593,10 +8593,17 @@
 		pos = os_strchr(pos, '\t');
 		if (pos)
 			*pos++ = '\0';
+		if (!extra[0])
+			break;
+
 		if (os_strcmp(extra, "create") == 0)
 			create_iface = 1;
-		else
+		else {
+			wpa_printf(MSG_DEBUG,
+				   "INTERFACE_ADD unsupported extra parameter: '%s'",
+				   extra);
 			return -1;
+		}
 	} while (0);
 
 	if (create_iface) {