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[v4,03/14] v4l: ti-vpe: Use video_device_release_empty

Message ID 1394711056-10878-4-git-send-email-archit@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

archit taneja March 13, 2014, 11:44 a.m. UTC 
The video_device struct is currently embedded in the driver data struct vpe_dev.
A vpe_dev instance is allocated by the driver, and the memory for the vfd is a
part of this struct.

The v4l2 core, however, manages the removal of the vfd region, through the
video_device's .release() op, which currently is the helper
video_device_release. This causes memory corruption, and leads to issues when
we try to re-insert the vpe module.

Use the video_device_release_empty helper function instead.

Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Archit Taneja <archit@ti.com>
---
 drivers/media/platform/ti-vpe/vpe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c
index f1eae67..0363df6 100644
--- a/drivers/media/platform/ti-vpe/vpe.c
+++ b/drivers/media/platform/ti-vpe/vpe.c
@@ -2000,7 +2000,7 @@  static struct video_device vpe_videodev = {
 	.fops		= &vpe_fops,
 	.ioctl_ops	= &vpe_ioctl_ops,
 	.minor		= -1,
-	.release	= video_device_release,
+	.release	= video_device_release_empty,
 	.vfl_dir	= VFL_DIR_M2M,
 };