1 files changed, 10 insertions, 10 deletions
diff --git a/src/helpers/s6-frontend-helper-kill.c b/src/helpers/s6-frontend-helper-kill.c
index c217373..87d9f61 100644
--- a/src/helpers/s6-frontend-helper-kill.c
+++ b/src/helpers/s6-frontend-helper-kill.c
@@ -14,18 +14,18 @@ int main (int argc, char const *const *argv)
 {
   unsigned int sig ;
   PROG = "s6-frontend-helper-kill" ;
-  if (argc-- < 3) dieusage() ;
+  if (argc-- < 2) dieusage() ;
   argv++ ;
   if (!uint0_scan(*argv++, &sig)) dieusage() ;
-  argc-- ;
+  if (--argc)
+  {
+    pid_t pids[argc] ;
+    for (unsigned int i = 0 ; i < argc ; i++)
+      if (!pid0_scan(argv[i], pids + i))
+        strerr_dief1x(100, "pids must be numerical") ;
 
-  pid_t pids[argc] ;
-  for (unsigned int i = 0 ; i < argc ; i++)
-    if (!pid0_scan(argv[i], pids + i))
-      strerr_dief1x(100, "pids must be numerical") ;
-
-  for (unsigned int i = 0 ; i < argc ; i++)
-    kill(sig, pids[i]) ;
-  
+    for (unsigned int i = 0 ; i < argc ; i++)
+      kill(sig, pids[i]) ;
+  }
   _exit(0) ;
 }