mac80211: fix a warning during interface bringup when using autochannel

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18034 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/files/lib/wifi/mac80211.sh b/package/mac80211/files/lib/wifi/mac80211.sh
index 29c1041..6c5359a 100644 (file)
--- a/package/mac80211/files/lib/wifi/mac80211.sh
+++ b/package/mac80211/files/lib/wifi/mac80211.sh
@@ -147,7 +147,7 @@ enable_mac80211() {
 
                # We attempt to set teh channel for all interfaces, although
                # mac80211 may not support it or the driver might not yet
-               [ -n "$fixed" ] && iw dev "$ifname" set channel "$channel"
+               [ -n "$fixed" -a -n "$channel" ] && iw dev "$ifname" set channel "$channel"
 
                local key keystring