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| author | Wei Lu <wei.lu2@amd.com> | 2018-07-12 05:32:47 +0300 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2018-07-12 05:32:47 +0300 |
| commit | e47cb828eb3fca3e8999a0b9aa053dda18552071 (patch) | |
| tree | 23a193ea3b6a480f9e00adb76db94a43ea2cc574 /drivers/gpu/drm/amd/amdkfd | |
| parent | a60d811b2bf45f2e776e00d71f0dc3c5043245d9 (diff) | |
| download | linux-e47cb828eb3fca3e8999a0b9aa053dda18552071.tar.xz | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 1d80b4f7c681..4694386cc623 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -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; } |