[PATCH] drm/amd/display: remove redundant null check of array 'data'

Harry Wentland harry.wentland at amd.com
Fri Dec 15 15:05:39 UTC 2017


On 2017-12-15 05:53 AM, Colin King wrote:
> From: Colin Ian King <colin.king at canonical.com>
> 
> The null check on aconnector->base.edid_blob_ptr->data is redundant
> since data is an array and can never be null.  Remove it.
> 
> Detected by CoverityScan, CID#1460369 ("Array compared against 0")
> 
> Signed-off-by: Colin Ian King <colin.king at canonical.com>

Reviewed-by: Harry Wentland <harry.wentland at amd.com>

Harry

> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index ccbf10e3bbb6..c388778dbba3 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -2725,8 +2725,7 @@ static void create_eml_sink(struct amdgpu_dm_connector *aconnector)
>  	};
>  	struct edid *edid;
>  
> -	if (!aconnector->base.edid_blob_ptr ||
> -		!aconnector->base.edid_blob_ptr->data) {
> +	if (!aconnector->base.edid_blob_ptr) {
>  		DRM_ERROR("No EDID firmware found on connector: %s ,forcing to OFF!\n",
>  				aconnector->base.name);
>  
> 


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