[PATCH] drm/amdgpu: Return -ENOMEM when there is no memory in 'amdgpu_gfx_mqd_sw_init'

[Srinivasan Shanmugam]

Return -ENOMEM, when there is no sufficient dynamically allocated memory
to create MQD backup for ring

Cc: Christian König <christian.koe...@amd.com>
Cc: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmu...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index a33d4bc34cee..6639fde5dd5c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -407,8 +407,11 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
 
                /* prepare MQD backup */
                kiq->mqd_backup = kmalloc(mqd_size, GFP_KERNEL);
-               if (!kiq->mqd_backup)
-                               dev_warn(adev->dev, "no memory to create MQD 
backup for ring %s\n", ring->name);
+               if (!kiq->mqd_backup) {
+                       dev_warn(adev->dev,
+                                "no memory to create MQD backup for ring 
%s\n", ring->name);
+                       return -ENOMEM;
+               }
        }
 
        if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) {
@@ -427,8 +430,10 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
                                ring->mqd_size = mqd_size;
                                /* prepare MQD backup */
                                adev->gfx.me.mqd_backup[i] = kmalloc(mqd_size, 
GFP_KERNEL);
-                               if (!adev->gfx.me.mqd_backup[i])
+                               if (!adev->gfx.me.mqd_backup[i]) {
                                        dev_warn(adev->dev, "no memory to 
create MQD backup for ring %s\n", ring->name);
+                                       return -ENOMEM;
+                               }
                        }
                }
        }
-- 
2.25.1