16fae979ed
Using kmemdup() helper function rather than implementing it again with kmalloc() + memcpy(), which improves the code readability. Signed-off-by: Chen Jiahao <chenjiahao16@huawei.com> Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>