From: Jianqun Xu <jay.xu@rock-chips.com>
Date: Wed, 12 Apr 2017 05:55:37 +0000 (+0800)
Subject: video: rockchip: rk322x_lcdc: fix error condition
X-Git-Tag: release-20171130_firefly~4^2~808
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=dd9460f5938865d264199eebbee6a14786cb4e7a;p=firefly-linux-kernel-4.4.55.git

video: rockchip: rk322x_lcdc: fix error condition

Change-Id: I1c28a815beb74a7566886aef666454ec1513970b
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
---

diff --git a/drivers/video/rockchip/lcdc/rk322x_lcdc.c b/drivers/video/rockchip/lcdc/rk322x_lcdc.c
index 08b8ddd80bd2..b174fe409e14 100644
--- a/drivers/video/rockchip/lcdc/rk322x_lcdc.c
+++ b/drivers/video/rockchip/lcdc/rk322x_lcdc.c
@@ -3478,7 +3478,7 @@ static int vop_get_backlight_device(struct rk_lcdc_driver *dev_drv)
 	max = length / sizeof(u32);
 	last = max - 1;
 	brightness_levels = kmalloc(256, GFP_KERNEL);
-	if (brightness_levels)
+	if (!brightness_levels)
 		return -ENOMEM;
 
 	if (!of_property_read_u32_array(backlight, "brightness-levels",