linux-kernel - [PATCH AUTOSEL 5.6 090/149] drm/amdkfd: Fix a memory leak in queue creation error handling

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Date:   Sat, 11 Apr 2020 19:02:47 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Yong Zhao <Yong.Zhao@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Felix Kuehling <Felix.Kuehling@....com>,
        Sasha Levin <sashal@...nel.org>, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 5.6 090/149] drm/amdkfd: Fix a memory leak in queue creation error handling

From: Yong Zhao <Yong.Zhao@....com>

[ Upstream commit 66f28b9a169855367d6e3ef71001969a8bffb19b ]

When the queue creation failed, some resources were not freed. Fix it.

Signed-off-by: Yong Zhao <Yong.Zhao@....com>
Acked-by: Alex Deucher <alexander.deucher@....com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
index 31fcd1b51f00f..4f7927b661ff4 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -328,6 +328,9 @@ int pqm_create_queue(struct process_queue_manager *pqm,
 	return retval;
 
 err_create_queue:
+	uninit_queue(q);
+	if (kq)
+		kernel_queue_uninit(kq, false);
 	kfree(pqn);
 err_allocate_pqn:
 	/* check if queues list is empty unregister process from device */
-- 
2.20.1