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drm/amdkfd: Fix error handling in kfd_criu_restore_events

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commit 66f7903779 upstream.

mutex_unlock before the exit label because all the error code paths that
jump there didn't take that lock. This fixes unbalanced locking errors
in case of restore errors.

Fixes: 40e8a766a7 ("drm/amdkfd: CRIU checkpoint and restore events")
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Felix Kuehling
2022-11-03 17:01:46 -04:00
committed by Greg Kroah-Hartman
parent 182476d29d
commit 0a35e62c40
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/amd/amdkfd/kfd_events.c
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@@ -506,6 +506,7 @@ int kfd_criu_restore_event(struct file *devkfd,
ret = create_other_event(p, ev, &ev_priv->event_id);
break;
}
mutex_unlock(&p->event_mutex);
exit:
if (ret)
@@ -513,8 +514,6 @@ exit:
kfree(ev_priv);
mutex_unlock(&p->event_mutex);
return ret;
}