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Date:   Wed, 30 Jan 2019 17:35:35 +0100
From:   Daniel Vetter <daniel@ffwll.ch>
To:     "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Cc:     David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
        dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/savage: mark expected switch fall-throughs
Message-ID: <20190130163535.GH3271@phenom.ffwll.local>
Mail-Followup-To: "Gustavo A. R. Silva" <gustavo@embeddedor.com>,
        David Airlie <airlied@linux.ie>, dri-devel@lists.freedesktop.org,
        linux-kernel@vger.kernel.org
References: <20190129202005.GA25789@embeddedor>
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On Tue, Jan 29, 2019 at 02:20:06PM -0600, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
> 
> This patch fixes the following warnings:
> 
> drivers/gpu/drm/savage/savage_state.c:301:8: warning: this statement may fall through [-Wimplicit-fallthrough=]
> drivers/gpu/drm/savage/savage_state.c:438:8: warning: this statement may fall through [-Wimplicit-fallthrough=]
> drivers/gpu/drm/savage/savage_state.c:559:8: warning: this statement may fall through [-Wimplicit-fallthrough=]
> drivers/gpu/drm/savage/savage_state.c:697:8: warning: this statement may fall through [-Wimplicit-fallthrough=]
> 
> Warning level 3 was used: -Wimplicit-fallthrough=3
> 
> This patch is part of the ongoing efforts to enabling
> -Wimplicit-fallthrough.
> 
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>

This and the via patch merged to drm-misc-next, thanks.
-Daniel

> ---
>  drivers/gpu/drm/savage/savage_state.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/savage/savage_state.c b/drivers/gpu/drm/savage/savage_state.c
> index 7559a820bd43..ebb8b7d32b33 100644
> --- a/drivers/gpu/drm/savage/savage_state.c
> +++ b/drivers/gpu/drm/savage/savage_state.c
> @@ -299,6 +299,7 @@ static int savage_dispatch_dma_prim(drm_savage_private_t * dev_priv,
>  	case SAVAGE_PRIM_TRILIST_201:
>  		reorder = 1;
>  		prim = SAVAGE_PRIM_TRILIST;
> +		/* fall through */
>  	case SAVAGE_PRIM_TRILIST:
>  		if (n % 3 != 0) {
>  			DRM_ERROR("wrong number of vertices %u in TRILIST\n",
> @@ -436,6 +437,7 @@ static int savage_dispatch_vb_prim(drm_savage_private_t * dev_priv,
>  	case SAVAGE_PRIM_TRILIST_201:
>  		reorder = 1;
>  		prim = SAVAGE_PRIM_TRILIST;
> +		/* fall through */
>  	case SAVAGE_PRIM_TRILIST:
>  		if (n % 3 != 0) {
>  			DRM_ERROR("wrong number of vertices %u in TRILIST\n",
> @@ -557,6 +559,7 @@ static int savage_dispatch_dma_idx(drm_savage_private_t * dev_priv,
>  	case SAVAGE_PRIM_TRILIST_201:
>  		reorder = 1;
>  		prim = SAVAGE_PRIM_TRILIST;
> +		/* fall through */
>  	case SAVAGE_PRIM_TRILIST:
>  		if (n % 3 != 0) {
>  			DRM_ERROR("wrong number of indices %u in TRILIST\n", n);
> @@ -695,6 +698,7 @@ static int savage_dispatch_vb_idx(drm_savage_private_t * dev_priv,
>  	case SAVAGE_PRIM_TRILIST_201:
>  		reorder = 1;
>  		prim = SAVAGE_PRIM_TRILIST;
> +		/* fall through */
>  	case SAVAGE_PRIM_TRILIST:
>  		if (n % 3 != 0) {
>  			DRM_ERROR("wrong number of indices %u in TRILIST\n", n);
> -- 
> 2.20.1
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch