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Wed, 24 Jun 2020 16:49:33 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 81B741138497; Wed, 24 Jun 2020 18:43:45 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH 42/46] qdev: Smooth error checking with Coccinelle Date: Wed, 24 Jun 2020 18:43:40 +0200 Message-Id: <20200624164344.3778251-43-armbru@redhat.com> In-Reply-To: <20200624164344.3778251-1-armbru@redhat.com> References: <20200624164344.3778251-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=205.139.110.61; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/24 00:34:35 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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=-1, 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_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, vsementsov@virtuozzo.com, berrange@redhat.com, ehabkost@redhat.com, qemu-block@nongnu.org, pbonzini@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The previous commit enables conversion of qdev_prop_set_drive_err(..., &err); if (err) { ... } to if (!qdev_prop_set_drive_err(..., errp)) { ... } Coccinelle script: @@ identifier fun = qdev_prop_set_drive_err; expression list args, args2; typedef Error; Error *err; identifier errp; @@ - fun(args, &err, args2); - if (err) { + if (!fun(args, errp, args2)) { ... when != err - error_propagate(errp, err); ... } @@ identifier fun = qdev_prop_set_drive_err; expression list args, args2; typedef Error; Error *err; @@ - fun(args, &err, args2); - if (err) { + if (!fun(args, &err, args2)) { ... } Eliminate error_propagate() that are now unnecessary. Delete @err that are now unused. Tidy up line breaks and whitespace. Signed-off-by: Markus Armbruster --- hw/scsi/scsi-bus.c | 5 +---- hw/sd/sd.c | 3 +-- hw/sd/ssi-sd.c | 5 ++--- 3 files changed, 4 insertions(+), 9 deletions(-) diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c index b937df16bc..df65cc2223 100644 --- a/hw/scsi/scsi-bus.c +++ b/hw/scsi/scsi-bus.c @@ -248,7 +248,6 @@ SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockBackend *blk, const char *driver; char *name; DeviceState *dev; - Error *err = NULL; DriveInfo *dinfo; if (blk_is_sg(blk)) { @@ -277,9 +276,7 @@ SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockBackend *blk, if (serial && object_property_find(OBJECT(dev), "serial", NULL)) { qdev_prop_set_string(dev, "serial", serial); } - qdev_prop_set_drive_err(dev, "drive", blk, &err); - if (err) { - error_propagate(errp, err); + if (!qdev_prop_set_drive_err(dev, "drive", blk, errp)) { object_unparent(OBJECT(dev)); return NULL; } diff --git a/hw/sd/sd.c b/hw/sd/sd.c index 97a9d32964..5137168d66 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -706,8 +706,7 @@ SDState *sd_init(BlockBackend *blk, bool is_spi) obj = object_new(TYPE_SD_CARD); dev = DEVICE(obj); - qdev_prop_set_drive_err(dev, "drive", blk, &err); - if (err) { + if (!qdev_prop_set_drive_err(dev, "drive", blk, &err)) { error_reportf_err(err, "sd_init failed: "); return NULL; } diff --git a/hw/sd/ssi-sd.c b/hw/sd/ssi-sd.c index 4d91f603fa..e0fb9f3093 100644 --- a/hw/sd/ssi-sd.c +++ b/hw/sd/ssi-sd.c @@ -254,9 +254,8 @@ static void ssi_sd_realize(SSISlave *d, Error **errp) dinfo = drive_get_next(IF_SD); carddev = qdev_new(TYPE_SD_CARD); if (dinfo) { - qdev_prop_set_drive_err(carddev, "drive", blk_by_legacy_dinfo(dinfo), - &err); - if (err) { + if (!qdev_prop_set_drive_err(carddev, "drive", + blk_by_legacy_dinfo(dinfo), &err)) { goto fail; } } -- 2.26.2