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-rw-r--r--package/mac80211/files/lib/wifi/mac80211.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/package/mac80211/files/lib/wifi/mac80211.sh b/package/mac80211/files/lib/wifi/mac80211.sh
index ef275729c6..f5c94a9eac 100644
--- a/package/mac80211/files/lib/wifi/mac80211.sh
+++ b/package/mac80211/files/lib/wifi/mac80211.sh
@@ -179,7 +179,7 @@ enable_mac80211() {
if [ -n "$keymgmt" ]; then
for idx in 1 2 3 4; do
local zidx
- zidx = $((idx - 1))
+ zidx=$(($idx - 1))
config_get key "$vif" "key${idx}"
if [ -n "$key" ]; then
append keystring "${zidx}:${key} "