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 c620a32..dec2777 100644 (file)
--- 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) {