From patchwork Tue Jul 7 16:50:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 11649337 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4A905912 for ; Tue, 7 Jul 2020 16:52:49 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 26AF72065D for ; Tue, 7 Jul 2020 16:52:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="aSBpSdGN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 26AF72065D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1jsqo4-0000EH-Q3; Tue, 07 Jul 2020 16:50:56 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1jsqo3-0000Dr-5M for xen-devel@lists.xenproject.org; Tue, 07 Jul 2020 16:50:55 +0000 X-Inumbo-ID: 04f59fd8-c072-11ea-b7bb-bc764e2007e4 Received: from us-smtp-1.mimecast.com (unknown [207.211.31.81]) by us1-rack-iad1.inumbo.com (Halon) with ESMTP id 04f59fd8-c072-11ea-b7bb-bc764e2007e4; Tue, 07 Jul 2020 16:50:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594140652; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kTc4yRwO5a9XF+O06cElX+INNSFMrjGg1hnzHUx6ZOU=; b=aSBpSdGNECTHeybyoEgiQ9+/I91OHNtf7c59WTpSt6Bzl5c++iQf9oGyHQJPoWNEunc2vX qPSEqxOziyB8zC7Y/W4OPJsZ0QCbAnK52gqeug6MuEmSRy370spUUI20msi6EvDVBYcS2W d9dRNFzq5cNOhHON+TwAElysIA0XCNE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-205-8gbxd39nN9aA_Cw08BWDdA-1; Tue, 07 Jul 2020 12:50:50 -0400 X-MC-Unique: 8gbxd39nN9aA_Cw08BWDdA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B71BD1005510; Tue, 7 Jul 2020 16:50:48 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-143.ams2.redhat.com [10.36.112.143]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 98A2A5D9C9; Tue, 7 Jul 2020 16:50:42 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 25B3611328A3; Tue, 7 Jul 2020 18:50:37 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH v12 3/8] sd: Use ERRP_AUTO_PROPAGATE() Date: Tue, 7 Jul 2020 18:50:32 +0200 Message-Id: <20200707165037.1026246-4-armbru@redhat.com> In-Reply-To: <20200707165037.1026246-1-armbru@redhat.com> References: <20200707165037.1026246-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , vsementsov@virtuozzo.com, Michael Roth , qemu-block@nongnu.org, Paul Durrant , Laszlo Ersek , Christian Schoenebeck , groug@kaod.org, Max Reitz , Stefano Stabellini , Gerd Hoffmann , Stefan Hajnoczi , Anthony Perard , xen-devel@lists.xenproject.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" From: Vladimir Sementsov-Ogievskiy If we want to add some info to errp (by error_prepend() or error_append_hint()), we must use the ERRP_AUTO_PROPAGATE macro. Otherwise, this info will not be added when errp == &error_fatal (the program will exit prior to the error_append_hint() or error_prepend() call). Fix such cases. If we want to check error after errp-function call, we need to introduce local_err and then propagate it to errp. Instead, use ERRP_AUTO_PROPAGATE macro, benefits are: 1. No need of explicit error_propagate call 2. No need of explicit local_err variable: use errp directly 3. ERRP_AUTO_PROPAGATE leaves errp as is if it's not NULL or &error_fatal, this means that we don't break error_abort (we'll abort on error_set, not on error_propagate) This commit is generated by command sed -n '/^SD (Secure Card)$/,/^$/{s/^F: //p}' \ MAINTAINERS | \ xargs git ls-files | grep '\.[hc]$' | \ xargs spatch \ --sp-file scripts/coccinelle/auto-propagated-errp.cocci \ --macro-file scripts/cocci-macro-file.h \ --in-place --no-show-diff --max-width 80 Reported-by: Kevin Wolf Reported-by: Greg Kurz Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Philippe Mathieu-Daudé [Commit message tweaked] Signed-off-by: Markus Armbruster --- hw/sd/sdhci-pci.c | 7 +++---- hw/sd/sdhci.c | 21 +++++++++------------ hw/sd/ssi-sd.c | 10 +++++----- 3 files changed, 17 insertions(+), 21 deletions(-) diff --git a/hw/sd/sdhci-pci.c b/hw/sd/sdhci-pci.c index 4f5977d487..38ec572fc6 100644 --- a/hw/sd/sdhci-pci.c +++ b/hw/sd/sdhci-pci.c @@ -29,13 +29,12 @@ static Property sdhci_pci_properties[] = { static void sdhci_pci_realize(PCIDevice *dev, Error **errp) { + ERRP_AUTO_PROPAGATE(); SDHCIState *s = PCI_SDHCI(dev); - Error *local_err = NULL; sdhci_initfn(s); - sdhci_common_realize(s, &local_err); - if (local_err) { - error_propagate(errp, local_err); + sdhci_common_realize(s, errp); + if (*errp) { return; } diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index eb2be6529e..be1928784d 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -1288,7 +1288,7 @@ static const MemoryRegionOps sdhci_mmio_ops = { static void sdhci_init_readonly_registers(SDHCIState *s, Error **errp) { - Error *local_err = NULL; + ERRP_AUTO_PROPAGATE(); switch (s->sd_spec_version) { case 2 ... 3: @@ -1299,9 +1299,8 @@ static void sdhci_init_readonly_registers(SDHCIState *s, Error **errp) } s->version = (SDHC_HCVER_VENDOR << 8) | (s->sd_spec_version - 1); - sdhci_check_capareg(s, &local_err); - if (local_err) { - error_propagate(errp, local_err); + sdhci_check_capareg(s, errp); + if (*errp) { return; } } @@ -1332,11 +1331,10 @@ void sdhci_uninitfn(SDHCIState *s) void sdhci_common_realize(SDHCIState *s, Error **errp) { - Error *local_err = NULL; + ERRP_AUTO_PROPAGATE(); - sdhci_init_readonly_registers(s, &local_err); - if (local_err) { - error_propagate(errp, local_err); + sdhci_init_readonly_registers(s, errp); + if (*errp) { return; } s->buf_maxsz = sdhci_get_fifolen(s); @@ -1456,13 +1454,12 @@ static void sdhci_sysbus_finalize(Object *obj) static void sdhci_sysbus_realize(DeviceState *dev, Error **errp) { + ERRP_AUTO_PROPAGATE(); SDHCIState *s = SYSBUS_SDHCI(dev); SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - Error *local_err = NULL; - sdhci_common_realize(s, &local_err); - if (local_err) { - error_propagate(errp, local_err); + sdhci_common_realize(s, errp); + if (*errp) { return; } diff --git a/hw/sd/ssi-sd.c b/hw/sd/ssi-sd.c index 3717b2e721..adb7fa9c24 100644 --- a/hw/sd/ssi-sd.c +++ b/hw/sd/ssi-sd.c @@ -241,10 +241,10 @@ static const VMStateDescription vmstate_ssi_sd = { static void ssi_sd_realize(SSISlave *d, Error **errp) { + ERRP_AUTO_PROPAGATE(); ssi_sd_state *s = SSI_SD(d); DeviceState *carddev; DriveInfo *dinfo; - Error *err = NULL; qbus_create_inplace(&s->sdbus, sizeof(s->sdbus), TYPE_SD_BUS, DEVICE(d), "sd-bus"); @@ -255,23 +255,23 @@ static void ssi_sd_realize(SSISlave *d, Error **errp) carddev = qdev_new(TYPE_SD_CARD); if (dinfo) { if (!qdev_prop_set_drive_err(carddev, "drive", - blk_by_legacy_dinfo(dinfo), &err)) { + blk_by_legacy_dinfo(dinfo), errp)) { goto fail; } } - if (!object_property_set_bool(OBJECT(carddev), "spi", true, &err)) { + if (!object_property_set_bool(OBJECT(carddev), "spi", true, errp)) { goto fail; } - if (!qdev_realize_and_unref(carddev, BUS(&s->sdbus), &err)) { + if (!qdev_realize_and_unref(carddev, BUS(&s->sdbus), errp)) { goto fail; } return; fail: - error_propagate_prepend(errp, err, "failed to init SD card: "); + error_prepend(errp, "failed to init SD card: "); } static void ssi_sd_reset(DeviceState *dev)