From 6f3c9dbb65be3d90eee1b90e270c4e62b15a91b3 Mon Sep 17 00:00:00 2001 From: Likun Gao Date: Wed, 12 Jan 2022 15:38:24 +0800 Subject: [PATCH] drm/amd/pm: fix NULL pointer issue of amdgpu_smu_stb_debug_fs_init Fix NULL pointer issue on amdgpu_smu_stb_debug_fs_init if SMU block not enabled. Signed-off-by: Likun Gao Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index f1544755d8b46..904d516c040b1 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -3031,7 +3031,7 @@ void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev) struct smu_context *smu = adev->powerplay.pp_handle; - if (!smu->stb_context.stb_buf_size) + if (!smu || (!smu->stb_context.stb_buf_size)) return; debugfs_create_file_size("amdgpu_smu_stb_dump", -- 2.30.2