Commit e47cb828 authored Jul 11, 2018 by Wei Lu Committed by Oded Gabbay Jul 11, 2018

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: Wei Lu <wei.lu2@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>

parent a60d811b

drivers/gpu/drm/amd/amdkfd/kfd_process.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -244,6 +244,8 @@ struct kfd_process kfd_get_process(const struct task_struct thread)
		return ERR_PTR(-EINVAL);

		process = find_process(thread);
		if (!process)
		return ERR_PTR(-EINVAL);

		return process;
		}