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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR12MB2619.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: bcf61ab3-a649-4b7a-74ce-08da9c52253a X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Sep 2022 04:23:05.2029 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: tTdQn6vMilxd5vw2I2Csf9C2Zh6fawkIjsGL9z1eIxNVU/hAujxY0cSlMsCsSYsA X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB6366 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "jiapeng.chong@linux.alibaba.com" , "Pan, Xinhui" , "Chen, Guchun" , "airlied@linux.ie" , "Lazar, Lijo" , "Limonciello, Mario" , "Powell, Darren" , "Deucher, Alexander" , "Koenig, Christian" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" [AMD Official Use Only - General] Reviewed-by: Evan Quan > -----Original Message----- > From: Li Zhong > Sent: Thursday, September 22, 2022 12:18 PM > To: dri-devel@lists.freedesktop.org; amd-gfx@lists.freedesktop.org > Cc: jiapeng.chong@linux.alibaba.com; Powell, Darren > ; Chen, Guchun ; > Limonciello, Mario ; Quan, Evan > ; Lazar, Lijo ; daniel@ffwll.ch; > airlied@linux.ie; Pan, Xinhui ; Koenig, Christian > ; Deucher, Alexander > ; Li Zhong > Subject: [PATCH v2] drivers/amd/pm: check the return value of > amdgpu_bo_kmap >=20 > amdgpu_bo_kmap() returns error when fails to map buffer object. Add the > error check and propagate the error. >=20 > Signed-off-by: Li Zhong > --- > drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) >=20 > diff --git a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > index 1eb4e613b27a..ec055858eb95 100644 > --- a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > +++ b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > @@ -1485,6 +1485,7 @@ static int pp_get_prv_buffer_details(void *handle, > void **addr, size_t *size) > { > struct pp_hwmgr *hwmgr =3D handle; > struct amdgpu_device *adev =3D hwmgr->adev; > + int err; >=20 > if (!addr || !size) > return -EINVAL; > @@ -1492,7 +1493,9 @@ static int pp_get_prv_buffer_details(void *handle, > void **addr, size_t *size) > *addr =3D NULL; > *size =3D 0; > if (adev->pm.smu_prv_buffer) { > - amdgpu_bo_kmap(adev->pm.smu_prv_buffer, addr); > + err =3D amdgpu_bo_kmap(adev->pm.smu_prv_buffer, addr); > + if (err) > + return err; > *size =3D adev->pm.smu_prv_buffer_size; > } >=20 > -- > 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5A3E6ECAAD8 for ; Thu, 22 Sep 2022 04:23:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1CAF910E289; Thu, 22 Sep 2022 04:23:15 +0000 (UTC) Received: from NAM04-BN8-obe.outbound.protection.outlook.com (mail-bn8nam04on2060.outbound.protection.outlook.com [40.107.100.60]) by gabe.freedesktop.org (Postfix) with ESMTPS id 97CA710E289; Thu, 22 Sep 2022 04:23:08 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR12MB2619.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: bcf61ab3-a649-4b7a-74ce-08da9c52253a X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Sep 2022 04:23:05.2029 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: tTdQn6vMilxd5vw2I2Csf9C2Zh6fawkIjsGL9z1eIxNVU/hAujxY0cSlMsCsSYsA X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB6366 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "jiapeng.chong@linux.alibaba.com" , "Pan, Xinhui" , "Chen, Guchun" , "airlied@linux.ie" , "Lazar, Lijo" , "Limonciello, Mario" , "daniel@ffwll.ch" , "Powell, Darren" , "Deucher, Alexander" , "Koenig, Christian" Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" [AMD Official Use Only - General] Reviewed-by: Evan Quan > -----Original Message----- > From: Li Zhong > Sent: Thursday, September 22, 2022 12:18 PM > To: dri-devel@lists.freedesktop.org; amd-gfx@lists.freedesktop.org > Cc: jiapeng.chong@linux.alibaba.com; Powell, Darren > ; Chen, Guchun ; > Limonciello, Mario ; Quan, Evan > ; Lazar, Lijo ; daniel@ffwll.ch; > airlied@linux.ie; Pan, Xinhui ; Koenig, Christian > ; Deucher, Alexander > ; Li Zhong > Subject: [PATCH v2] drivers/amd/pm: check the return value of > amdgpu_bo_kmap >=20 > amdgpu_bo_kmap() returns error when fails to map buffer object. Add the > error check and propagate the error. >=20 > Signed-off-by: Li Zhong > --- > drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) >=20 > diff --git a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > index 1eb4e613b27a..ec055858eb95 100644 > --- a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > +++ b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c > @@ -1485,6 +1485,7 @@ static int pp_get_prv_buffer_details(void *handle, > void **addr, size_t *size) > { > struct pp_hwmgr *hwmgr =3D handle; > struct amdgpu_device *adev =3D hwmgr->adev; > + int err; >=20 > if (!addr || !size) > return -EINVAL; > @@ -1492,7 +1493,9 @@ static int pp_get_prv_buffer_details(void *handle, > void **addr, size_t *size) > *addr =3D NULL; > *size =3D 0; > if (adev->pm.smu_prv_buffer) { > - amdgpu_bo_kmap(adev->pm.smu_prv_buffer, addr); > + err =3D amdgpu_bo_kmap(adev->pm.smu_prv_buffer, addr); > + if (err) > + return err; > *size =3D adev->pm.smu_prv_buffer_size; > } >=20 > -- > 2.25.1