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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: [PATCH 01/10] video: ipuv3: Do not crash when no mode is found
Date: Wed, 23 Sep 2015 13:47:22 +0200	[thread overview]
Message-ID: <1443008851-26596-2-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1443008851-26596-1-git-send-email-s.hauer@pengutronix.de>

When something is missing in the device tree or not all necessary
drivers are compiled in it may happen that no valid mode is found.
Do not crash in this case but print an error message.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/video/imx-ipu-v3/ipufb.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/video/imx-ipu-v3/ipufb.c b/drivers/video/imx-ipu-v3/ipufb.c
index ea2e83b..401f8f7 100644
--- a/drivers/video/imx-ipu-v3/ipufb.c
+++ b/drivers/video/imx-ipu-v3/ipufb.c
@@ -189,6 +189,11 @@ static void ipufb_enable_controller(struct fb_info *info)
 {
 	struct ipufb_info *fbi = container_of(info, struct ipufb_info, info);
 
+	if (!info->mode) {
+		dev_err(fbi->dev, "No valid mode found\n");
+		return;
+	}
+
 	vpl_ioctl_prepare(&fbi->vpl, 2 + fbi->dino, info->mode);
 
 	ipu_crtc_mode_set(fbi, info->mode, 0, 0);
-- 
2.5.1


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  reply	other threads:[~2015-09-23 11:48 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-23 11:47 [PATCH v2] video: imx-ipu-v3: ldb fixes Sascha Hauer
2015-09-23 11:47 ` Sascha Hauer [this message]
2015-09-23 11:47 ` [PATCH 02/10] video: ipuv3: imx-ldb: remove unused variable Sascha Hauer
2015-09-23 11:47 ` [PATCH 03/10] video: ipuv3: imx-ldb: Support video modes in ldb node Sascha Hauer
2015-09-23 11:47 ` [PATCH 04/10] video: simple-panel: Add debug/error messages Sascha Hauer
2015-09-23 11:47 ` [PATCH 05/10] video: simple-panel: Add support for device tree provided nodes Sascha Hauer
2015-09-23 11:47 ` [PATCH 06/10] video: ipuv3: print error message when no modes are found Sascha Hauer
2015-09-23 11:47 ` [PATCH 07/10] video: backlight-pwm: Add error message Sascha Hauer
2015-09-23 11:47 ` [PATCH 08/10] video: backlight-pwm: Add regulator support Sascha Hauer
2015-09-23 11:47 ` [PATCH 09/10] ARM: i.MX: GuF Santaro: enable PWM Sascha Hauer
2015-09-23 11:47 ` [PATCH 10/10] ARM: i.MX: GuF Santaro: Fix panel support Sascha Hauer

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