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

PATCH In review Darren Etheridge 1 participant 1 message Aug 5, 2013 Framebuffer layer

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Darren Etheridge

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2013-08-05 22:02 UTC #0 lore raw

PATCH v3 15/20 video: da8xx-fb: ensure non-null cfg in pdata

From: Afzal Mohammed <[email protected]>

Ensure that platform data contains pointer for lcd_ctrl_config.

Signed-off-by Afzal Mohammed <[email protected]>

Signed-off-by Darren Etheridge <[email protected]>

---
 drivers/video/da8xx-fb.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

drivers/video/da8xx-fb.c +5 -0

index c620a32..dec2777 100644
@@ -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) {

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