Commit e47cb828 authored by Wei Lu's avatar Wei Lu Committed by Oded Gabbay

drm/amdkfd: Fix error codes in kfd_get_process

Return ERR_PTR(-EINVAL) if kfd_get_process fails to find the process.
This fixes kernel oopses when a child process calls KFD ioctls with
a file descriptor inherited from the parent process.
Signed-off-by: default avatarWei Lu <wei.lu2@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
parent a60d811b
...@@ -244,6 +244,8 @@ struct kfd_process *kfd_get_process(const struct task_struct *thread) ...@@ -244,6 +244,8 @@ struct kfd_process *kfd_get_process(const struct task_struct *thread)
return ERR_PTR(-EINVAL); return ERR_PTR(-EINVAL);
process = find_process(thread); process = find_process(thread);
if (!process)
return ERR_PTR(-EINVAL);
return process; return process;
} }
......
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