nl80211: fix possible unitialized memory access in nl80211_get_hardware_id()

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

diff --git a/iwinfo_nl80211.c b/iwinfo_nl80211.c
index a65ed1e..4add5f4 100644 (file)
--- a/iwinfo_nl80211.c
+++ b/iwinfo_nl80211.c
@@ -2698,7 +2698,7 @@ static int nl80211_get_mbssid_support(const char *ifname, int *buf)
 
 static int nl80211_get_hardware_id(const char *ifname, char *buf)
 {
-       int rv;
+       int rv = -1;
        char *res;
 
        /* Got a radioX pseudo interface, find some interface on it or create one */