umount.nfs: make umount_usage() static

[nfs-utils.git] / utils / mount / nfsumount.c

diff --git a/utils/mount/nfsumount.c b/utils/mount/nfsumount.c
index a0fe78ea1cd52456bd6cbdce784fa5846a87ac80..3d387c11e8c3a01b32fbab9004dcbe20f94c9b7a 100644 (file)
--- a/utils/mount/nfsumount.c
+++ b/utils/mount/nfsumount.c
@@ -235,7 +235,7 @@ static struct option umount_longopts[] =
   { NULL, 0, 0, 0 }
 };
 
-void umount_usage(void)
+static void umount_usage(void)
 {
        printf("usage: %s dir [-fvnrlh]\n", progname);
        printf("options:\n\t-f\t\tforce unmount\n");
@@ -252,6 +252,11 @@ int nfsumount(int argc, char *argv[])
        char *spec;
        struct mntentchn *mc;
 
+       if (argc < 2) {
+               umount_usage();
+               return EX_USAGE;
+       }
+
        spec = argv[1];
 
        argv += 1;