# \[PATCH 15/23\] video: da8xx-fb: ensure non-null cfg in pdata

- Subsystems: FRAMEBUFFER LAYER, THE REST
- Maintainers: Helge Deller, Linus Torvalds
- List: linux-fbdev
- 1 message, 1 author
- Page: https://ratatoskr.run/linux-fbdev/2013/06/13465092/t

## \[PATCH 15/23\] video: da8xx-fb: ensure non-null cfg in pdata

- From: Darren Etheridge \<hidden\>
- Date: 2013-06-25 14:22:43 
- Message: https://ratatoskr.run/linux-fbdev/2013/06/13465092.md

```text
From: Afzal Mohammed <redacted>

Ensure that platform data contains pointer for lcd_ctrl_config.

Signed-off-by: Afzal Mohammed <redacted>
Signed-off-by: Darren Etheridge <redacted>
---
 drivers/video/da8xx-fb.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 7a32e83..3b146bc 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -1320,6 +1320,11 @@ 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) {
-- 
1.7.0.4

```