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SubjectRe: [PATCH] kernel: Return -EFAULT if copy_to_user() fails
On Mon, Mar 01, 2021 at 07:28:11PM +0800, Wang Qing wrote:
> The copy_to_user() function returns the number of bytes remaining to be
> copied, but we want to return -EFAULT if the copy doesn't complete.
>
> Signed-off-by: Wang Qing <wangqing@vivo.com>
> ---

Hey Wang,

Thanks for the patch. It looks like override_release() is called in
three places and all three places return -EFAULT correctly. They simply
treat any as EFAULT. So not sure this change buys us anything.

Christian

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