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[v3,15/20] video: da8xx-fb: ensure non-null cfg in pdata

Message ID 1375740159-1045-16-git-send-email-detheridge@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Etheridge, Darren Aug. 5, 2013, 10:02 p.m. UTC 
From: Afzal Mohammed <afzal@ti.com>

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

diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index c620a32..dec2777 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) {