From: Afzal Mohammed <afzal@ti.com>
Date: Mon, 5 Aug 2013 22:02:34 +0000 (-0500)
Subject: video: da8xx-fb: ensure non-null cfg in pdata
X-Git-Tag: next-20130912~161^2~13^2~5
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3a58101da20b409984e608811bc2dd828f1e8c96;p=karo-tx-linux.git

video: da8xx-fb: ensure non-null cfg in pdata

Ensure that platform data contains pointer for lcd_ctrl_config.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---

diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index c620a32e5ac9..dec27777a931 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -1319,6 +1319,11 @@ static int fb_probe(struct platform_device *device)
 
 	lcd_cfg = (struct lcd_ctrl_config *)fb_pdata->controller_data;
 
+	if (!lcd_cfg) {
+		ret = -EINVAL;
+		goto err_pm_runtime_disable;
+	}
+
 	da8xx_fb_info = framebuffer_alloc(sizeof(struct da8xx_fb_par),
 					&device->dev);
 	if (!da8xx_fb_info) {