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Commit 506aafba authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab
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media: v4l: async: Clean up testing for duplicate async subdevs



There's a need to verify that a single async sub-device isn't being added
multiple times, this would be an error. This takes place at the time of
adding the async sub-device to the notifier's list as well as when the
notifier is added to the global notifier's list.

Use the pointer to the sub-device for testing this instead of an index to
an array that is long gone. (There was an array of async sub-devices in
the notifier before it was converted to a linked list by commit
66beb323 ("media: v4l2: async: Remove notifier subdevs array").)

Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de> # imx6qp
Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> # rcar + adv746x
Tested-by: Aishwarya Kothari <aishwarya.kothari@toradex.com> # Apalis i.MX6Q with TC358743
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # Renesas RZ/G2L SMARC
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent 48229039
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