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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2020-07-06 21:36:17 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-07-19 10:34:25 +0300 |
| commit | 6675e871ca4dab14e849298767d34c2722f3ee1e (patch) | |
| tree | ff41db8f06cfb37f63ffa1a193185b3a1fe7273c /drivers/media/platform | |
| parent | 19a2374068b557ed1a19c68ebaef5f1a161e2973 (diff) | |
| download | linux-6675e871ca4dab14e849298767d34c2722f3ee1e.tar.xz | |
media: ti-vpe: cal: Unregister video device before cleanup
In cal_remove(), unregister the video devices as the first operation,
before cleaning up the V4L2 objects, to avoid use-after-free. This isn't
a complete solution yet, as video nodes can be kept open across
unregistration.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/ti-vpe/cal.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c index 5f218ac5fb60..5580913a1356 100644 --- a/drivers/media/platform/ti-vpe/cal.c +++ b/drivers/media/platform/ti-vpe/cal.c @@ -2320,11 +2320,11 @@ static int cal_remove(struct platform_device *pdev) if (ctx) { ctx_dbg(1, ctx, "unregistering %s\n", video_device_node_name(&ctx->vdev)); + cal_ctx_v4l2_unregister(ctx); cal_camerarx_disable(ctx->phy); v4l2_async_notifier_unregister(&ctx->notifier); v4l2_async_notifier_cleanup(&ctx->notifier); cal_ctx_v4l2_cleanup(ctx); - cal_ctx_v4l2_unregister(ctx); } } |