[PATCH 5/5] drm/amd/powerplay: Remove unneeded variable 'ret' in amdgpu_smu.c

[zhengbin]

Fixes coccicheck warning:

drivers/gpu/drm/amd/powerplay/amdgpu_smu.c:1192:5-8: Unneeded variable: "ret". Return "0" on line 1195
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c:1945:5-8: Unneeded variable: "ret". Return "0" on line 1961

Reported-by: Hulk Robot <hulkci at huawei.com>
Signed-off-by: zhengbin <zhengbin13 at huawei.com>
---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 36001a4..98691d4 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -1189,10 +1189,9 @@ static int smu_free_memory_pool(struct smu_context *smu)
 {
 	struct smu_table_context *smu_table = &smu->smu_table;
 	struct smu_table *memory_pool = &smu_table->memory_pool;
-	int ret = 0;

 	if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
-		return ret;
+		return 0;

 	amdgpu_bo_free_kernel(&memory_pool->bo,
 			      &memory_pool->mc_address,
@@ -1200,7 +1199,7 @@ static int smu_free_memory_pool(struct smu_context *smu)

 	memset(memory_pool, 0, sizeof(struct smu_table));

-	return ret;
+	return 0;
 }

 static int smu_start_smc_engine(struct smu_context *smu)
@@ -1942,7 +1941,6 @@ int smu_write_watermarks_table(struct smu_context *smu)
 int smu_set_watermarks_for_clock_ranges(struct smu_context *smu,
 		struct dm_pp_wm_sets_with_clock_ranges_soc15 *clock_ranges)
 {
-	int ret = 0;
 	struct smu_table *watermarks = &smu->smu_table.tables[SMU_TABLE_WATERMARKS];
 	void *table = watermarks->cpu_addr;

@@ -1958,7 +1956,7 @@ int smu_set_watermarks_for_clock_ranges(struct smu_context *smu,

 	mutex_unlock(&smu->mutex);

-	return ret;
+	return 0;
 }

 const struct amd_ip_funcs smu_ip_funcs = {
--
2.7.4