media: v4l2-ioctl: fix some "too small" warnings

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While the code there is right, it produces three false positives:
	drivers/media/v4l2-core/v4l2-ioctl.c:2868 video_usercopy() error: copy_from_user() 'parg' too small (128 vs 16383)
	drivers/media/v4l2-core/v4l2-ioctl.c:2868 video_usercopy() error: copy_from_user() 'parg' too small (128 vs 16383)
	drivers/media/v4l2-core/v4l2-ioctl.c:2876 video_usercopy() error: memset() 'parg' too small (128 vs 16383)

Store the ioctl size on a cache var, in order to suppress those.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

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Mauro Carvalho Chehab 2018-03-22 14:02:21 -04:00

parent 1a086879fd

commit 912d2f8228

1 changed files with 8 additions and 7 deletions

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drivers/media/v4l2-core/v4l2-ioctl.c

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