cocci warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:6088:8-9: Unneeded variable: "r". 
>> Return "0" on line 6141

Reported-by: kernel test robot <l...@intel.com>
Closes: 
https://lore.kernel.org/oe-kbuild-all/202506281925.hhipxio7-...@intel.com/

Signed-off-by: Ce Sun <cesun...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f13439404760..a9e8ac63a514 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -6143,14 +6143,14 @@ static void 
amdgpu_device_recovery_put_reset_lock(struct amdgpu_device *adev,
        amdgpu_device_unlock_reset_domain(tmp_adev->reset_domain);
 }
 
-static int amdgpu_device_halt_activities(
+static void amdgpu_device_halt_activities(
        struct amdgpu_device *adev, struct amdgpu_job *job,
        struct amdgpu_reset_context *reset_context,
        struct list_head *device_list, struct amdgpu_hive_info *hive,
        bool need_emergency_restart)
 {
        struct amdgpu_device *tmp_adev = NULL;
-       int i, r = 0;
+       int i;
 
        /* block all schedulers and reset given job's ring */
        list_for_each_entry(tmp_adev, device_list, reset_list) {
@@ -6202,8 +6202,6 @@ static int amdgpu_device_halt_activities(
                }
                atomic_inc(&tmp_adev->gpu_reset_counter);
        }
-
-       return r;
 }
 
 static int amdgpu_device_asic_reset(struct amdgpu_device *adev,
@@ -6414,11 +6412,8 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
        /* We need to lock reset domain only once both for XGMI and single 
device */
        amdgpu_device_recovery_get_reset_lock(adev, &device_list);
 
-       r = amdgpu_device_halt_activities(adev, job, reset_context, 
&device_list,
+       amdgpu_device_halt_activities(adev, job, reset_context, &device_list,
                                         hive, need_emergency_restart);
-       if (r)
-               goto reset_unlock;
-
        if (need_emergency_restart)
                goto skip_sched_resume;
        /*
@@ -6830,7 +6825,6 @@ pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev 
*pdev, pci_channel_sta
        struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev);
        struct amdgpu_reset_context reset_context;
        struct list_head device_list;
-       int r = 0;
 
        dev_info(adev->dev, "PCI error: detected callback!!\n");
 
@@ -6857,14 +6851,12 @@ pci_ers_result_t amdgpu_pci_error_detected(struct 
pci_dev *pdev, pci_channel_sta
 
                amdgpu_device_recovery_prepare(adev, &device_list, hive);
                amdgpu_device_recovery_get_reset_lock(adev, &device_list);
-               r = amdgpu_device_halt_activities(adev, NULL, &reset_context, 
&device_list,
-                                        hive, false);
+               amdgpu_device_halt_activities(adev, NULL, &reset_context, 
&device_list,
+                                             hive, false);
                if (hive) {
                        mutex_unlock(&hive->hive_lock);
                        amdgpu_put_xgmi_hive(hive);
                }
-               if (r)
-                       return PCI_ERS_RESULT_DISCONNECT;
                return PCI_ERS_RESULT_NEED_RESET;
        case pci_channel_io_perm_failure:
                /* Permanent error, prepare for device removal */
-- 
2.34.1

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