iwinfo: null-terminate country code

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

diff --git a/iwinfo_nl80211.c b/iwinfo_nl80211.c
index 55bfd0f0e0a0a84a664402e99905950e81a5ef44..7aaae6b3e423376bd6e4486c942ccfd6896604a9 100644 (file)
--- a/iwinfo_nl80211.c
+++ b/iwinfo_nl80211.c
@@ -2480,6 +2480,7 @@ static int nl80211_get_countrylist(const char *ifname, char *buf, int *len)
                e->iso3166 = l->iso3166;
                e->ccode[0] = (l->iso3166 / 256);
                e->ccode[1] = (l->iso3166 % 256);
+               e->ccode[2] = 0;
        }
 
        *len = (count * sizeof(struct iwinfo_country_entry));