linux-kernel - Re: [PATCH] drm/amdgpu/powerplay: Fix missing break in switch statement

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Date:   Mon, 4 Mar 2019 14:32:57 +0800
From:   Huang Rui <ray.huang@....com>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
CC:     Rex Zhu <rex.zhu@....com>, Evan Quan <evan.quan@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian K�nig <christian.koenig@....com>,
        "David (ChunMing) Zhou" <David1.Zhou@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Kees Cook <keescook@...omium.org>,
        <dri-devel@...ts.freedesktop.org>, <amd-gfx@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/amdgpu/powerplay: Fix missing break in switch
 statement

On Fri, Mar 01, 2019 at 03:29:43PM -0600, Gustavo A. R. Silva wrote:
> Add missing break statement in order to prevent the code from falling
> through to case SMU_Discrete_DpmTable.
> 
> This bug was found thanks to the ongoing efforts to enable
> -Wimplicit-fallthrough.
> 
> Fixes: 34a564eaf528 ("drm/amd/powerplay: implement fw image related smum interface for Polaris.")
> Cc: stable@...r.kernel.org
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>

Reviewed-by: Huang Rui <ray.huang@....com>

> ---
>  drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
> index 52abca065764..222fb79d319e 100644
> --- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
> @@ -2330,6 +2330,7 @@ static uint32_t polaris10_get_offsetof(uint32_t type, uint32_t member)
>  		case DRAM_LOG_BUFF_SIZE:
>  			return offsetof(SMU74_SoftRegisters, DRAM_LOG_BUFF_SIZE);
>  		}
> +		break;
>  	case SMU_Discrete_DpmTable:
>  		switch (member) {
>  		case UvdBootLevel:
> -- 
> 2.21.0
> 
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx

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