[PATCH 09/13] drm/amdgpu: fix sdma3 ucode mem leak

[Alex Deucher]

From: Monk Liu <monk....@amd.com>

Signed-off-by: Monk Liu <Monk.Liu at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c 
b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index 33605d4..532ea88 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -236,6 +236,15 @@ static void sdma_v3_0_init_golden_registers(struct 
amdgpu_device *adev)
        }
 }

+static void sdma_v3_0_free_microcode(struct amdgpu_device *adev)
+{
+       int i;
+       for (i = 0; i < adev->sdma.num_instances; i++) {
+               release_firmware(adev->sdma.instance[i].fw);
+               adev->sdma.instance[i].fw = NULL;
+       }
+}
+
 /**
  * sdma_v3_0_init_microcode - load ucode images from disk
  *
@@ -1256,6 +1265,7 @@ static int sdma_v3_0_sw_fini(void *handle)
        for (i = 0; i < adev->sdma.num_instances; i++)
                amdgpu_ring_fini(&adev->sdma.instance[i].ring);

+       sdma_v3_0_free_microcode(adev);
        return 0;
 }

-- 
2.5.5