[PATCH 1/4] drm/amd/powerplay: Cocci spatch "alloc_cast"

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> -----Original Message-----
> From: Thomas Meyer [mailto:thomas at m3y3r.de]
> Sent: Thursday, September 21, 2017 2:34 AM
> To: Deucher, Alexander; Koenig, Christian; airlied at linux.ie; amd-
> gfx at lists.freedesktop.org; dri-devel at lists.freedesktop.org; linux-
> kernel at vger.kernel.org
> Subject: [PATCH 1/4] drm/amd/powerplay: Cocci spatch "alloc_cast"
> 
> Remove casting the values returned by memory allocation functions like
> kmalloc, kzalloc, kmem_cache_alloc, kmem_cache_zalloc etc."
> Found by coccinelle spatch "api/alloc/alloc_cast.cocci"
> 
> Signed-off-by: Thomas Meyer <thomas at m3y3r.de>
> ---
> 
> diff -u -p
> a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
> @@ -291,7 +291,7 @@ static int get_mm_clock_voltage_table(
>  	table_size = sizeof(uint32_t) +
> 
> 	sizeof(phm_ppt_v1_mm_clock_voltage_dependency_record) *
>  			mm_dependency_table->ucNumEntries;
> -	mm_table = (phm_ppt_v1_mm_clock_voltage_dependency_table
> *)
> +	mm_table =
>  			kzalloc(table_size, GFP_KERNEL);

Please fix up the whitespace here and below.

Alex

> 
>  	if (!mm_table)
> @@ -519,7 +519,7 @@ static int get_socclk_voltage_dependency
> 
> 	sizeof(phm_ppt_v1_clock_voltage_dependency_record) *
>  			clk_dep_table->ucNumEntries;
> 
> -	clk_table = (phm_ppt_v1_clock_voltage_dependency_table *)
> +	clk_table =
>  			kzalloc(table_size, GFP_KERNEL);
> 
>  	if (!clk_table)
> @@ -554,7 +554,7 @@ static int get_mclk_voltage_dependency_t
> 
> 	sizeof(phm_ppt_v1_clock_voltage_dependency_record) *
>  			mclk_dep_table->ucNumEntries;
> 
> -	mclk_table = (phm_ppt_v1_clock_voltage_dependency_table *)
> +	mclk_table =
>  			kzalloc(table_size, GFP_KERNEL);
> 
>  	if (!mclk_table)
> @@ -596,7 +596,7 @@ static int get_gfxclk_voltage_dependency
> 
> 	sizeof(phm_ppt_v1_clock_voltage_dependency_record) *
>  			clk_dep_table->ucNumEntries;
> 
> -	clk_table = (struct phm_ppt_v1_clock_voltage_dependency_table *)
> +	clk_table =
>  			kzalloc(table_size, GFP_KERNEL);
> 
>  	if (!clk_table)
> @@ -663,7 +663,7 @@ static int get_pix_clk_voltage_dependenc
> 
> 	sizeof(phm_ppt_v1_clock_voltage_dependency_record) *
>  			clk_dep_table->ucNumEntries;
> 
> -	clk_table = (struct phm_ppt_v1_clock_voltage_dependency_table *)
> +	clk_table =
>  			kzalloc(table_size, GFP_KERNEL);
> 
>  	if (!clk_table)
> @@ -728,7 +728,7 @@ static int get_dcefclk_voltage_dependenc
> 
> 	sizeof(phm_ppt_v1_clock_voltage_dependency_record) *
>  			num_entries;
> 
> -	clk_table = (struct phm_ppt_v1_clock_voltage_dependency_table *)
> +	clk_table =
>  			kzalloc(table_size, GFP_KERNEL);
> 
>  	if (!clk_table)
> @@ -772,7 +772,7 @@ static int get_pcie_table(struct pp_hwmg
>  			sizeof(struct phm_ppt_v1_pcie_record) *
>  			atom_pcie_table->ucNumEntries;
> 
> -	pcie_table = (struct phm_ppt_v1_pcie_table *)
> +	pcie_table =
>  			kzalloc(table_size, GFP_KERNEL);
> 
>  	if (!pcie_table)
> @@ -1026,7 +1026,7 @@ static int get_vddc_lookup_table(
>  	table_size = sizeof(uint32_t) +
>  			sizeof(phm_ppt_v1_voltage_lookup_record) *
> max_levels;
> 
> -	table = (phm_ppt_v1_voltage_lookup_table *)
> +	table =
>  			kzalloc(table_size, GFP_KERNEL);
> 
>  	if (NULL == table)


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