media: rcar-csi2: Allocate v4l2_async_subdev dynamically

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v4l2_async_notifier_add_subdev() requires the asd to be allocated
dynamically, but the rcar-csi2 driver embeds it in the rcar_csi2
structure. This causes memory corruption when the notifier is destroyed
at remove time with v4l2_async_notifier_cleanup().

Fix this issue by registering the asd with
v4l2_async_notifier_add_fwnode_subdev(), which allocates it dynamically
internally.

Fixes: 769afd212b ("media: rcar-csi2: add Renesas R-Car MIPI CSI-2 receiver driver")
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

...

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Laurent Pinchart 2020-08-11 22:59:38 +02:00 • committed by Mauro Carvalho Chehab

parent 468e986dac

commit 2cac7cbfb4

1 changed files with 10 additions and 14 deletions

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drivers/media/platform/rcar-vin/rcar-csi2.c

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