dracut-init.sh: fix instmods with zero input

instmods < /dev/null

should not error

diff --git a/dracut-init.sh b/dracut-init.sh
index 9891836adb0e30f16bf6bd8374cd0d92f6479e1e..50d23e2d110dd1f220eb134e7a5cb5adf3211277 100644 (file)
--- a/dracut-init.sh
+++ b/dracut-init.sh
@@ -993,6 +993,10 @@ instmods() {
         set -- "${args[@]}"
     fi
 
+    if (($# == 0)); then
+        return 0
+    fi
+
     $DRACUT_INSTALL \
         ${initdir:+-D "$initdir"} \
         ${loginstall:+-L "$loginstall"} \