drm/amdkfd: Fix error codes in kfd_get_process
[ Upstream commit e47cb828eb
]
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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
parent
bb9dcbf97a
commit
bb2874bba8
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@ -123,6 +123,8 @@ struct kfd_process *kfd_get_process(const struct task_struct *thread)
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return ERR_PTR(-EINVAL);
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process = find_process(thread);
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if (!process)
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return ERR_PTR(-EINVAL);
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return process;
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}
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