media: cec: Serialize exclusive follower delivery

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cec_receive_notify() reads the exclusive follower pointer without the
adapter lock. Serialize the no-follower check and message delivery
against mode changes and release.

Fixes: 9881fe0ca1 ("[media] cec: add HDMI CEC framework (adapter)")
Cc: stable@vger.kernel.org
Signed-off-by: Ruoyu Wang <ruoyuw560@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>

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Ruoyu Wang 2026-07-08 11:01:02 +08:00 • committed by Hans Verkuil

parent 8dcf23edaf

commit 1924d0788c

1 changed files with 7 additions and 1 deletions

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drivers/media/cec/core/cec-adap.c

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