From 278b8fbf06c8572c6d82f9b60f6c43debb0e0dc8 Mon Sep 17 00:00:00 2001 From: Sunil Khatri Date: Wed, 9 Oct 2024 17:44:57 +0530 Subject: [PATCH 0514/5403] drm/amdgpu: validate sw_fini before function call MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Before making a function call to sw_fini, validate the function pointer like we do in sw_init. Signed-off-by: Sunil Khatri Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index e923aef78dfa..89a3d4be044c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3379,12 +3379,13 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev) amdgpu_ib_pool_fini(adev); amdgpu_seq64_fini(adev); } - - r = adev->ip_blocks[i].version->funcs->sw_fini(&adev->ip_blocks[i]); - /* XXX handle errors */ - if (r) { - DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + if (adev->ip_blocks[i].version->funcs->sw_fini) { + r = adev->ip_blocks[i].version->funcs->sw_fini(&adev->ip_blocks[i]); + /* XXX handle errors */ + if (r) { + DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, r); + } } adev->ip_blocks[i].status.sw = false; adev->ip_blocks[i].status.valid = false; -- 2.54.0