From ffb068c2b4d50d888e2d0706f7883528f714fae0 Mon Sep 17 00:00:00 2001
From: Jacob Malevich <jam@daterainc.com>
Date: Tue, 10 Feb 2015 14:39:56 -0800
Subject: [PATCH] bcacheadm: Handle missing arg in rm-dev

Signed-off-by: Jacob Malevich <jam@daterainc.com>

    Issue DAT-1978

Change-Id: Iec1252f39bb1931ec4544b56b7db24c43253b8cd
---
 bcacheadm.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/bcacheadm.c b/bcacheadm.c
index f5a7ef62..e619c01d 100644
--- a/bcacheadm.c
+++ b/bcacheadm.c
@@ -476,6 +476,11 @@ int bcache_rm_device(NihCommand *command, char *const *args)
 {
 	char *err;
 
+	if (!args[0]) {
+		printf("Must provide a device name\n");
+		return -1;
+	}
+
 	err = remove_device(args[0], force_remove);
 	if (err) {
 		printf("bcache_rm_devices error: %s\n", err);