[AMD Official Use Only] Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx> Regards, Hawking -----Original Message----- From: Dennis Li <Dennis.Li@xxxxxxx> Sent: Tuesday, May 18, 2021 19:59 To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Kuehling, Felix <Felix.Kuehling@xxxxxxx>; Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Koenig, Christian <Christian.Koenig@xxxxxxx> Cc: Li, Dennis <Dennis.Li@xxxxxxx> Subject: [PATCH] drm/amdkfd: fix a resource leakage issue The function kfd_lookup_process_by_pasid will increase the reference count of kfd_process object, its caller should call kfd_unref_process to decrease the reference count. Otherwise resource leakage will happen. Signed-off-by: Dennis Li <Dennis.Li@xxxxxxx> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c index 3c9fe078334a..6cc6afb96a45 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c @@ -1100,4 +1100,6 @@ void kfd_signal_poison_consumed_event(struct kfd_dev *dev, u32 pasid) /* user application will handle SIGBUS signal */ send_sig(SIGBUS, p->lead_thread, 0); + + kfd_unref_process(p); } -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
