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

[YiPeng Chai]

Fix printing empty string array.

Signed-off-by: YiPeng Chai <YiPeng.Chai at 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