From: Dennis Li <Dennis.Li@amd.com>
Date: Tue, 18 May 2021 11:40:59 +0000 (+0800)
Subject: drm/amdkfd: fix a resource leakage issue
X-Git-Tag: accepted/tizen/unified/20230118.172025~6864^2~23^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=96b62c8aa47bdf063fbeff71460a4d199dd1431f;p=platform%2Fkernel%2Flinux-rpi.git

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@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
index 4d210f2..3eea4ed 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
@@ -1088,4 +1088,6 @@ 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);
 }