[PATCH] OMAPDSS: OMAPFB: Fix possible null pointer dereferencing

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



If display is NULL, display->output would lead to kernel panic.

Signed-off-by: Tushar Behera <tushar.behera@xxxxxxxxxx>
---
 drivers/video/omap2/omapfb/omapfb-ioctl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
index 55a39be..532a31b 100644
--- a/drivers/video/omap2/omapfb/omapfb-ioctl.c
+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
@@ -787,7 +787,7 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
 
 	case OMAPFB_WAITFORVSYNC:
 		DBG("ioctl WAITFORVSYNC\n");
-		if (!display && !display->output && !display->output->manager) {
+		if (!display || !display->output || !display->output->manager) {
 			r = -EINVAL;
 			break;
 		}
-- 
1.7.4.1

--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux