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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
	Guchun Chen <guchun.chen@amd.com>, Tao Zhou <tao.zhou1@amd.com>,
	dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org,
	Alex Deucher <alexander.deucher@amd.com>
Subject: [PATCH AUTOSEL 5.7 05/61] drm/amdgpu: fix RAS memory leak in error case
Date: Fri, 21 Aug 2020 12:14:49 -0400	[thread overview]
Message-ID: <20200821161545.347622-5-sashal@kernel.org> (raw)
In-Reply-To: <20200821161545.347622-1-sashal@kernel.org>

From: Guchun Chen <guchun.chen@amd.com>

[ Upstream commit 5e91160ac0b5cfbbaeb62cbff8b069262095f744 ]

RAS context memory needs to freed in failure case.

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index cd18596b47d33..78b378867b97a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1843,9 +1843,8 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
 	amdgpu_ras_check_supported(adev, &con->hw_supported,
 			&con->supported);
 	if (!con->hw_supported) {
-		amdgpu_ras_set_context(adev, NULL);
-		kfree(con);
-		return 0;
+		r = 0;
+		goto err_out;
 	}
 
 	con->features = 0;
@@ -1856,29 +1855,31 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
 	if (adev->nbio.funcs->init_ras_controller_interrupt) {
 		r = adev->nbio.funcs->init_ras_controller_interrupt(adev);
 		if (r)
-			return r;
+			goto err_out;
 	}
 
 	if (adev->nbio.funcs->init_ras_err_event_athub_interrupt) {
 		r = adev->nbio.funcs->init_ras_err_event_athub_interrupt(adev);
 		if (r)
-			return r;
+			goto err_out;
 	}
 
 	amdgpu_ras_mask &= AMDGPU_RAS_BLOCK_MASK;
 
-	if (amdgpu_ras_fs_init(adev))
-		goto fs_out;
+	if (amdgpu_ras_fs_init(adev)) {
+		r = -EINVAL;
+		goto err_out;
+	}
 
 	DRM_INFO("RAS INFO: ras initialized successfully, "
 			"hardware ability[%x] ras_mask[%x]\n",
 			con->hw_supported, con->supported);
 	return 0;
-fs_out:
+err_out:
 	amdgpu_ras_set_context(adev, NULL);
 	kfree(con);
 
-	return -EINVAL;
+	return r;
 }
 
 /* helper function to handle common stuff in ip late init phase */
-- 
2.25.1

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       reply	other threads:[~2020-08-21 16:15 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200821161545.347622-1-sashal@kernel.org>
2020-08-21 16:14 ` Sasha Levin [this message]
2020-08-21 16:15 ` [PATCH AUTOSEL 5.7 21/61] drm/amdkfd: Fix reference count leaks Sasha Levin
2020-08-21 16:15 ` [PATCH AUTOSEL 5.7 22/61] drm/radeon: fix multiple reference count leak Sasha Levin
2020-08-21 16:15 ` [PATCH AUTOSEL 5.7 23/61] drm/amdgpu: fix ref count leak in amdgpu_driver_open_kms Sasha Levin
2020-08-21 16:15 ` [PATCH AUTOSEL 5.7 24/61] drm/amd/display: fix ref count leak in amdgpu_drm_ioctl Sasha Levin
2020-08-21 16:15 ` [PATCH AUTOSEL 5.7 25/61] drm/amdgpu: fix ref count leak in amdgpu_display_crtc_set_config Sasha Levin
2020-08-21 16:15 ` [PATCH AUTOSEL 5.7 26/61] drm/amdgpu/display: fix ref count leak when pm_runtime_get_sync fails Sasha Levin
2020-08-21 16:15 ` [PATCH AUTOSEL 5.7 27/61] drm/amdgpu/fence: " Sasha Levin
2020-08-21 16:15 ` [PATCH AUTOSEL 5.7 28/61] drm/amdkfd: " Sasha Levin
2020-08-21 16:15 ` [PATCH AUTOSEL 5.7 29/61] drm/amdgpu/pm: " Sasha Levin

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