drm/amdkfd: fix ref count leak when pm_runtime_get_sync fails
authorAlex Deucher <alexander.deucher@amd.com>
Wed, 17 Jun 2020 18:52:07 +0000 (14:52 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 1 Jul 2020 05:59:23 +0000 (01:59 -0400)
commit1c1ada37af6ee6fb9cfc8da6a56cc83208cd8d6f
tree61daa1e60b903b219a97ca8520c6c37a9e268a71
parente520d3e0d2818aafcdf9d8b60916754d8fedc366
drm/amdkfd: fix ref count leak when pm_runtime_get_sync fails

The call to pm_runtime_get_sync increments the counter even in case of
failure, leading to incorrect ref count.
In case of failure, decrement the ref count before returning.

Reviewed-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdkfd/kfd_process.c