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-rw-r--r--package/firewall/files/lib/fw.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/package/firewall/files/lib/fw.sh b/package/firewall/files/lib/fw.sh
index 819aa48eae..aaf3d14ef0 100644
--- a/package/firewall/files/lib/fw.sh
+++ b/package/firewall/files/lib/fw.sh
@@ -149,7 +149,7 @@ fw__exec() { # <action> <family> <table> <chain> <target> <position> { <rules> }
fi
case "$fam" in
- G*) shift; while [ "$1" != "{" ]; do shift; done ;;
+ G*) shift; while [ $# -gt 0 ] && [ "$1" != "{" ]; do shift; done ;;
esac
if [ $# -gt 0 ]; then