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>

1 files changed, 5 insertions, 0 deletions

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) {