media: v4l2-compat-ioctl32.c: avoid sizeof(type)

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Instead of doing sizeof(struct foo) use sizeof(*up). There even were
cases where 4 * sizeof(__u32) was used instead of sizeof(kp->reserved),
which is very dangerous when the size of the reserved array changes.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: <stable@vger.kernel.org>      # for v4.15 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

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Hans Verkuil 2018-01-24 05:01:31 -05:00 • committed by Mauro Carvalho Chehab

parent 486c521510

commit 333b1e9f96

1 changed files with 36 additions and 43 deletions

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drivers/media/v4l2-core/v4l2-compat-ioctl32.c

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