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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 CDD42CCF9F8 for ; Wed, 5 Nov 2025 14:18:14 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vGeKs-0004vf-4k; Wed, 05 Nov 2025 09:18:06 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vGeKq-0004sr-05; Wed, 05 Nov 2025 09:18:04 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vGeKm-00081M-Lx; Wed, 05 Nov 2025 09:18:02 -0500 Received: from mail.maildlp.com (unknown [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4d1nTY6rXmzJ4687; Wed, 5 Nov 2025 22:17:37 +0800 (CST) Received: from dubpeml100005.china.huawei.com (unknown [7.214.146.113]) by mail.maildlp.com (Postfix) with ESMTPS id 32B431402F2; Wed, 5 Nov 2025 22:17:59 +0800 (CST) Received: from localhost (10.203.177.15) by dubpeml100005.china.huawei.com (7.214.146.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Wed, 5 Nov 2025 14:17:58 +0000 Date: Wed, 5 Nov 2025 14:17:57 +0000 To: Gavin Shan CC: , , , , , , , , , Subject: Re: [PATCH v3 5/8] acpi/ghes: Bail early on error from get_ghes_source_offsets() Message-ID: <20251105141757.000069fd@huawei.com> In-Reply-To: <20251105114453.2164073-6-gshan@redhat.com> References: <20251105114453.2164073-1-gshan@redhat.com> <20251105114453.2164073-6-gshan@redhat.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.177.15] X-ClientProxiedBy: lhrpeml500009.china.huawei.com (7.191.174.84) To dubpeml100005.china.huawei.com (7.214.146.113) Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Jonathan Cameron From: Jonathan Cameron via Errors-To: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org On Wed, 5 Nov 2025 21:44:50 +1000 Gavin Shan wrote: > For one particular error (Error), we can't call error_setg() for twice. > Otherwise, the assert(*errp == NULL) will be triggered unexpectedly in > error_setv(). In ghes_record_cper_errors(), get_ghes_source_offsets() > can return a error initialized by error_setg(). Without bailing on > this error, it can call into the second error_setg() due to the > unexpected value from the read acknowledgement register. > > Bail early in ghes_record_cper_errors() when error is received from > get_ghes_source_offsets() to avoid the exception. > > Signed-off-by: Gavin Shan Seems reasonable to me. Reviewed-by: Jonathan Cameron 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 9614ACCF9F8 for ; Wed, 5 Nov 2025 14:18:23 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vGeKu-0004w2-7V; Wed, 05 Nov 2025 09:18:08 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vGeKq-0004sr-05; Wed, 05 Nov 2025 09:18:04 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vGeKm-00081M-Lx; Wed, 05 Nov 2025 09:18:02 -0500 Received: from mail.maildlp.com (unknown [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4d1nTY6rXmzJ4687; Wed, 5 Nov 2025 22:17:37 +0800 (CST) Received: from dubpeml100005.china.huawei.com (unknown [7.214.146.113]) by mail.maildlp.com (Postfix) with ESMTPS id 32B431402F2; Wed, 5 Nov 2025 22:17:59 +0800 (CST) Received: from localhost (10.203.177.15) by dubpeml100005.china.huawei.com (7.214.146.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Wed, 5 Nov 2025 14:17:58 +0000 Date: Wed, 5 Nov 2025 14:17:57 +0000 To: Gavin Shan CC: , , , , , , , , , Subject: Re: [PATCH v3 5/8] acpi/ghes: Bail early on error from get_ghes_source_offsets() Message-ID: <20251105141757.000069fd@huawei.com> In-Reply-To: <20251105114453.2164073-6-gshan@redhat.com> References: <20251105114453.2164073-1-gshan@redhat.com> <20251105114453.2164073-6-gshan@redhat.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.177.15] X-ClientProxiedBy: lhrpeml500009.china.huawei.com (7.191.174.84) To dubpeml100005.china.huawei.com (7.214.146.113) Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Jonathan Cameron From: Jonathan Cameron via Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Wed, 5 Nov 2025 21:44:50 +1000 Gavin Shan wrote: > For one particular error (Error), we can't call error_setg() for twice. > Otherwise, the assert(*errp == NULL) will be triggered unexpectedly in > error_setv(). In ghes_record_cper_errors(), get_ghes_source_offsets() > can return a error initialized by error_setg(). Without bailing on > this error, it can call into the second error_setg() due to the > unexpected value from the read acknowledgement register. > > Bail early in ghes_record_cper_errors() when error is received from > get_ghes_source_offsets() to avoid the exception. > > Signed-off-by: Gavin Shan Seems reasonable to me. Reviewed-by: Jonathan Cameron