media: mceusb: sanity check for prescaler value

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commit 9dec0f48a7 upstream.

prescaler larger than 8 would mean the carrier is at most 152Hz,
which does not make sense for IR carriers.

Reported-by: syzbot+6d31bf169a8265204b8d@syzkaller.appspotmail.com
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Sean Young 2021-01-19 14:53:50 +01:00 • committed by Greg Kroah-Hartman

parent 17a6e850e5

commit 1aeaa0ea7d

1 changed files with 8 additions and 1 deletions

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drivers/media/rc/mceusb.c

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