diff -urN busybox.old/miscutils/lock.c busybox.dev/miscutils/lock.c
--- busybox.old/miscutils/lock.c 1970-01-01 01:00:00.000000000 +0100
+++ busybox.dev/miscutils/lock.c 2006-03-14 09:50:40.000000000 +0100
-@@ -0,0 +1,125 @@
+@@ -0,0 +1,128 @@
+#include <sys/types.h>
+#include <sys/file.h>
+#include <sys/stat.h>
+ FILE *f;
+ int i;
+
-+ f = fopen(file, "r");
++ if ((f = fopen(file, "r")) == NULL)
++ return 0;
++
+ fscanf(f, "%d", &i);
+ if (i > 0)
+ kill(i, SIGTERM);
++
+ fclose(f);
+
+ return 0;