linux-kernel - [PATCH 04/10] video: da8xx-fb: ensure non-null cfg in pdata

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Message-ID: <ad53662af28406d7815abd78598d988a6b65af94.1357304090.git.afzal@ti.com>
Date:	Mon, 7 Jan 2013 10:40:53 +0530
From:	Afzal Mohammed <afzal@...com>
To:	Florian Tobias Schandinat <FlorianSchandinat@....de>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	Steffen Trumtrar <s.trumtrar@...gutronix.de>,
	Sekhar Nori <nsekhar@...com>,
	Vaibhav Hiremath <hvaibhav@...com>,
	<linux-omap@...r.kernel.org>, <linux-fbdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>
Subject: [PATCH 04/10] 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@...com>
---
 drivers/video/da8xx-fb.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index e119ec8..32ce385 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -1324,6 +1324,11 @@ static int __devinit 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) {
-- 
1.7.9.5

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