close bug 638

procps/kill.c

@@ -89,7 +89,7 @@ extern int kill_main(int argc, char **argv)
 
 #ifdef CONFIG_KILLALL
 	/* The -q quiet option */
-	if(argv[1][1]=='q' && argv[1][2]=='\0'){
+	if(whichApp != KILL && argv[1][1]=='q' && argv[1][2]=='\0'){
 		quiet++;
 		argv++;
 		argc--;
@@ -106,6 +106,10 @@ extern int kill_main(int argc, char **argv)
 
 do_it_now:
 
+	/* Pid or name required */
+	if (argc <= 0)
+		bb_show_usage();
+
 	if (whichApp == KILL) {
 		/* Looks like they want to do a kill. Do that */
 		while (--argc >= 0) {