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

From: Thomas Meyer
Date: Thu Sep 21 2017 - 02:45:36 EST


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@xxxxxxxx>
---

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);

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)