drm/amdkfd: Fix error codes in kfd_get_process
authorWei Lu <wei.lu2@amd.com>
Thu, 12 Jul 2018 02:32:47 +0000 (22:32 -0400)
committerOded Gabbay <oded.gabbay@gmail.com>
Thu, 12 Jul 2018 02:32:47 +0000 (22:32 -0400)
commite47cb828eb3fca3e8999a0b9aa053dda18552071
tree23a193ea3b6a480f9e00adb76db94a43ea2cc574
parenta60d811b2bf45f2e776e00d71f0dc3c5043245d9
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>
drivers/gpu/drm/amd/amdkfd/kfd_process.c