From: Yifan Zhang <yifan1.zhang@amd.com>
Date: Wed, 21 May 2025 10:06:28 +0000 (+0800)
Subject: amd/amdkfd: fix a kfd_process ref leak
X-Git-Tag: v6.1.143~117
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=742cdf8c16ae84e889a11748c88f09a6ce08810b;p=thirdparty%2Fkernel%2Fstable.git

amd/amdkfd: fix a kfd_process ref leak

[ Upstream commit 90237b16ec1d7afa16e2173cc9a664377214cdd9 ]

This patch is to fix a kfd_prcess ref leak.

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
index 2880ed96ac2e3..80d567ba94846 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
@@ -1340,6 +1340,7 @@ void kfd_signal_poison_consumed_event(struct kfd_dev *dev, u32 pasid)
 	user_gpu_id = kfd_process_get_user_gpu_id(p, dev->id);
 	if (unlikely(user_gpu_id == -EINVAL)) {
 		WARN_ONCE(1, "Could not get user_gpu_id from dev->id:%x\n", dev->id);
+		kfd_unref_process(p);
 		return;
 	}