From: Huang, Tao <huangtao@rock-chips.com>
Date: Thu, 28 Jul 2016 02:59:22 +0000 (+0800)
Subject: power: reset: reboot-mode: fix normal mode setup
X-Git-Tag: firefly_0821_release~2053
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=8090be7aebceb098898cb7ed94f485ad9033fc32;p=firefly-linux-kernel-4.4.55.git

power: reset: reboot-mode: fix normal mode setup

If cmd is empty in get_reboot_mode_magic, we should return normal magic.

Change-Id: I10931adc49e33f72ae73d9471159f82cc02ff0c0
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
---

diff --git a/drivers/power/reset/reboot-mode.c b/drivers/power/reset/reboot-mode.c
index 9aa7b809972c..09f1bc353087 100644
--- a/drivers/power/reset/reboot-mode.c
+++ b/drivers/power/reset/reboot-mode.c
@@ -36,7 +36,7 @@ static int get_reboot_mode_magic(struct reboot_mode_driver *reboot,
 	int magic = 0;
 	struct mode_info *info;
 
-	if (!cmd)
+	if (!cmd || !cmd[0])
 		cmd = normal;
 
 	list_for_each_entry(info, &reboot->head, list) {