[PATCH] drm: radeon: annotate implicit fall through

Alex Deucher alexdeucher at gmail.com
Wed Jan 16 21:58:51 UTC 2019


On Mon, Jan 14, 2019 at 3:29 PM Mathieu Malaterre <malat at debian.org> wrote:
>
> There is a plan to build the kernel with -Wimplicit-fallthrough and
> this place in the code produced a warning (W=1).
>
> This commit remove the following warning:
>
>   drivers/gpu/drm/radeon/evergreen_cs.c:1301:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
>
> Signed-off-by: Mathieu Malaterre <malat at debian.org>
> ---
>  drivers/gpu/drm/radeon/evergreen_cs.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
> index f471537c852f..fbf346185790 100644
> --- a/drivers/gpu/drm/radeon/evergreen_cs.c
> +++ b/drivers/gpu/drm/radeon/evergreen_cs.c
> @@ -1299,6 +1299,7 @@ static int evergreen_cs_handle_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
>                         return -EINVAL;
>                 }
>                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
> +               /* fall through */

I think this should actually be a break here.

Alex

>         case CB_TARGET_MASK:
>                 track->cb_target_mask = radeon_get_ib_value(p, idx);
>                 track->cb_dirty = true;
> --
> 2.19.2
>
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