media: vivid: use vzalloc for dev->bitmap_out
When vivid is unloaded it used vfree to free dev->bitmap_out, but it was actually allocated using kmalloc. Use vzalloc instead, conform what vivid-vid-cap.c does. Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl> Reviewed-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: NMauro Carvalho Chehab <mchehab+samsung@kernel.org>
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