[PATCH 1/2] drm/amdgpu: fix printing empty string array

[YiPeng Chai]

Fix printing empty string array.

Signed-off-by: YiPeng Chai <yipeng.c...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c 
b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
index c571f0d95994..d04fc0f19a29 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
@@ -128,8 +128,9 @@ static int gmc_v11_0_process_interrupt(struct amdgpu_device 
*adev,
                        "for process %s pid %d thread %s pid %d)\n",
                        entry->vmid_src ? "mmhub" : "gfxhub",
                        entry->src_id, entry->ring_id, entry->vmid,
-                       entry->pasid, task_info.process_name, task_info.tgid,
-                       task_info.task_name, task_info.pid);
+                       entry->pasid,
+                       task_info.process_name[0] ? task_info.process_name : 
"NULL", task_info.tgid,
+                       task_info.task_name[0] ? task_info.task_name : "NULL", 
task_info.pid);
                dev_err(adev->dev, "  in page starting at address 0x%016llx 
from client %d\n",
                        addr, entry->client_id);
                if (!amdgpu_sriov_vf(adev))
-- 
2.34.1