From: Himanshu Jha <himanshujha199640@gmail.com>
Date: Tue, 29 Aug 2017 18:51:27 +0530
Subject: drm/amd: Remove null check before kfree
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Git-commit: c5927537dd5706b17affa8aeea28c7b19c8fbb42
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Kfree on NULL pointer is a no-op and therefore checking is redundant.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c | 6 ++----
drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c | 6 ++----
2 files changed, 4 insertions(+), 8 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
@@ -346,10 +346,8 @@ static void amdgpu_connector_free_edid(s
{
struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
- if (amdgpu_connector->edid) {
- kfree(amdgpu_connector->edid);
- amdgpu_connector->edid = NULL;
- }
+ kfree(amdgpu_connector->edid);
+ amdgpu_connector->edid = NULL;
}
static int amdgpu_connector_ddc_get_modes(struct drm_connector *connector)
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
@@ -607,10 +607,8 @@ int smu7_init(struct pp_smumgr *smumgr)
int smu7_smu_fini(struct pp_smumgr *smumgr)
{
- if (smumgr->backend) {
- kfree(smumgr->backend);
- smumgr->backend = NULL;
- }
+ kfree(smumgr->backend);
+ smumgr->backend = NULL;
cgs_rel_firmware(smumgr->device, CGS_UCODE_ID_SMU);
return 0;
}