drm/amdgpu: handle amdgpu_cgs_create_device() errors in amd_powerplay_create()
authorWentao Liang <vulab@iscas.ac.cn>
Thu, 6 Mar 2025 07:51:48 +0000 (15:51 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 7 Mar 2025 17:55:56 +0000 (12:55 -0500)
commit1435e895d4fc967d64e9f5bf81e992ac32f5ac76
tree9fa8aa7bf7c0ee8e0fb10fe78b16705b391b268b
parentbd4b125eb949785c6f8a53b0494e32795421209d
drm/amdgpu: handle amdgpu_cgs_create_device() errors in amd_powerplay_create()

Add error handling to propagate amdgpu_cgs_create_device() failures
to the caller. When amdgpu_cgs_create_device() fails, release hwmgr
and return -ENOMEM to prevent null pointer dereference.

[v1]->[v2]: Change error code from -EINVAL to -ENOMEM. Free hwmgr.

Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c