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authorLikun Gao <Likun.Gao@amd.com>2022-01-12 15:38:24 +0800
committerAlex Deucher <alexander.deucher@amd.com>2022-05-04 09:57:42 -0400
commit6f3c9dbb65be3d90eee1b90e270c4e62b15a91b3 (patch)
treea7c45974f25ad35c7fd10412e5992810671ca533 /drivers/gpu/drm/amd/pm
parent64440743e89629231fee712879d7a9d5ec7dfb8c (diff)
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 <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm')
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index f1544755d8b4..904d516c040b 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",