From patchwork Mon May 13 14:17:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 13663499 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 4AD83C25B10 for ; Mon, 13 May 2024 14:19:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s6WWk-0005Qp-VS; Mon, 13 May 2024 10:19:43 -0400 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 1s6WWi-0005QX-P1 for qemu-devel@nongnu.org; Mon, 13 May 2024 10:19:40 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s6WWh-0000Ms-Ff for qemu-devel@nongnu.org; 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Mon, 13 May 2024 14:17:04 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.39.193.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8ADFD491032; Mon, 13 May 2024 14:17:04 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 6734F21E5E76; Mon, 13 May 2024 16:17:03 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Cc: philmd@linaro.org, fam@euphon.net, kwolf@redhat.com, hreitz@redhat.com, marcandre.lureau@redhat.com, peterx@redhat.com, farosas@suse.de, pbonzini@redhat.com, richard.henderson@linaro.org, qemu-block@nongnu.org Subject: [PATCH 4/6] cpus: Improve error messages on memsave, pmemsave write error Date: Mon, 13 May 2024 16:17:01 +0200 Message-ID: <20240513141703.549874-5-armbru@redhat.com> In-Reply-To: <20240513141703.549874-1-armbru@redhat.com> References: <20240513141703.549874-1-armbru@redhat.com> MIME-Version: 1.0 Content-type: text/plain X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.974, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org qmp_memsave() and qmp_pmemsave() report fwrite() error as An IO error has occurred Improve this to writing memory to '' failed Signed-off-by: Markus Armbruster Reviewed-by: Philippe Mathieu-Daudé --- system/cpus.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/system/cpus.c b/system/cpus.c index 68d161d96b..f8fa78f33d 100644 --- a/system/cpus.c +++ b/system/cpus.c @@ -813,7 +813,8 @@ void qmp_memsave(int64_t addr, int64_t size, const char *filename, goto exit; } if (fwrite(buf, 1, l, f) != l) { - error_setg(errp, QERR_IO_ERROR); + error_setg(errp, "writing memory to '%s' failed", + filename); goto exit; } addr += l; @@ -843,7 +844,8 @@ void qmp_pmemsave(int64_t addr, int64_t size, const char *filename, l = size; cpu_physical_memory_read(addr, buf, l); if (fwrite(buf, 1, l, f) != l) { - error_setg(errp, QERR_IO_ERROR); + error_setg(errp, "writing memory to '%s' failed", + filename); goto exit; } addr += l;