Re: [PATCH RESEND] HID: uclogic: Fix warning in uclogic_rdesc_template_apply

From: Jiri Kosina
Date: Thu Aug 25 2022 - 04:26:38 EST


On Mon, 15 Aug 2022, José Expósito wrote:

> Building with Sparse enabled prints this warning:
>
> warning: incorrect type in assignment (different base types)
> expected signed int x
> got restricted __le32 [usertype]
>
> Cast the return value of cpu_to_le32() to fix the warning.
>
> Fixes: 08177f4 ("HID: uclogic: merge hid-huion driver in hid-uclogic")
> Signed-off-by: José Expósito <jose.exposito89@xxxxxxxxx>
>
> ---
>
> Kindly resending this patch so it doesn't get lost after the merge
> window.
> ---
> drivers/hid/hid-uclogic-rdesc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/hid/hid-uclogic-rdesc.c b/drivers/hid/hid-uclogic-rdesc.c
> index 3d68e8b0784d..81ca22398ed5 100644
> --- a/drivers/hid/hid-uclogic-rdesc.c
> +++ b/drivers/hid/hid-uclogic-rdesc.c
> @@ -1113,7 +1113,7 @@ __u8 *uclogic_rdesc_template_apply(const __u8 *template_ptr,
> memcmp(p, pen_head, sizeof(pen_head)) == 0 &&
> p[sizeof(pen_head)] < param_num) {
> v = param_list[p[sizeof(pen_head)]];
> - put_unaligned(cpu_to_le32(v), (s32 *)p);
> + put_unaligned((__force u32)cpu_to_le32(v), (s32 *)p);
> p += sizeof(pen_head) + 1;
> } else if (memcmp(p, btn_head, sizeof(btn_head)) == 0 &&
> p[sizeof(btn_head)] < param_num) {

Applied, thank you José.

--
Jiri Kosina
SUSE Labs