linux-kernel - Re: [PATCH] drm/radeon/evergreen_cs: fix missing break in switch statement

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Message-ID: <CADnq5_PoxekMe1OMq-CFqMWjxdCC=ZG9OHY_MEiEeNWJTHhKAw@mail.gmail.com>
Date:   Mon, 18 Feb 2019 17:23:19 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "David (ChunMing) Zhou" <David1.Zhou@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Kees Cook <keescook@...omium.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/radeon/evergreen_cs: fix missing break in switch statement

On Fri, Feb 15, 2019 at 5:40 PM Gustavo A. R. Silva
<gustavo@...eddedor.com> wrote:
>
> Add missing break statement in order to prevent the code from falling
> through to case CB_TARGET_MASK.
>
> This bug was found thanks to the ongoing efforts to enable
> -Wimplicit-fallthrough.
>
> Fixes: dd220a00e8bd ("drm/radeon/kms: add support for streamout v7")
> Cc: stable@...r.kernel.org
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> ---
> NOTE: Notice that this code has been out there since 2012. So, it
> would be helpful if someone can double-check this.

Applied.  thanks!

Alex

>
>  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..1e14c6921454 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);
> +               break;
>         case CB_TARGET_MASK:
>                 track->cb_target_mask = radeon_get_ib_value(p, idx);
>                 track->cb_dirty = true;
> --
> 2.20.1
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx

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