Jason Schoon writes: Attached is a patch to display the usage message if fuser is...

diff --git a/procps/fuser.c b/procps/fuser.c
index 850626e42d16ddc9939fe1271420fe09ad3405a6..35d77ed1c9a67c076135e8114fd3272c0de060cf 100644 (file)
--- a/procps/fuser.c
+++ b/procps/fuser.c
@@ -326,6 +326,9 @@ int fuser_main(int argc, char **argv)
        int killsig = SIGTERM;
        int success = 1;
 
+       if (argc < 2)
+               bb_show_usage();
+
        fni = xmalloc(sizeof(int));
        for(i=1;i<argc;i++) {
                optn = fuser_option(argv[i]);