From patchwork Fri Oct 9 06:48:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 271761 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4BE6FC433E7 for ; Fri, 9 Oct 2020 07:07:17 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id A2C7321D41 for ; Fri, 9 Oct 2020 07:07:16 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Fri, 9 Oct 2020 06:49:03 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-182.ams2.redhat.com [10.36.112.182]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9E60519481; Fri, 9 Oct 2020 06:49:00 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 943F8112CE12; Fri, 9 Oct 2020 08:48:58 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PULL 1/2] error: Remove NULL checks on error_propagate() calls (again) Date: Fri, 9 Oct 2020 08:48:57 +0200 Message-Id: <20201009064858.323624-2-armbru@redhat.com> In-Reply-To: <20201009064858.323624-1-armbru@redhat.com> References: <20201009064858.323624-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 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 Received-SPF: pass client-ip=216.205.24.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/09 02:34:37 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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=ham autolearn_force=no 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, Jens Freimann , Hailiang Zhang , Juan Quintela Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Patch created mechanically by rerunning: $ spatch --sp-file scripts/coccinelle/error_propagate_null.cocci \ --macro-file scripts/cocci-macro-file.h \ --use-gitgrep . Cc: Jens Freimann Cc: Hailiang Zhang Cc: Juan Quintela Signed-off-by: Markus Armbruster Message-Id: <20200722084048.1726105-4-armbru@redhat.com> Reviewed-by: Eric Blake Reviewed-by: Jens Freimann --- hw/net/virtio-net.c | 8 ++------ migration/colo.c | 4 +--- migration/migration.c | 8 ++------ 3 files changed, 5 insertions(+), 15 deletions(-) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 7bf27b9db7..a160a9da9c 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -817,9 +817,7 @@ static void failover_add_primary(VirtIONet *n, Error **errp) "sure primary device has parameter" " failover_pair_id=\n"); } - if (err) { - error_propagate(errp, err); - } + error_propagate(errp, err); } static int is_my_primary(void *opaque, QemuOpts *opts, Error **errp) @@ -873,9 +871,7 @@ static DeviceState *virtio_connect_failover_devices(VirtIONet *n, n->primary_device_id = g_strdup(prim_dev->id); n->primary_device_opts = prim_dev->opts; } else { - if (err) { - error_propagate(errp, err); - } + error_propagate(errp, err); } return prim_dev; diff --git a/migration/colo.c b/migration/colo.c index 80788d46b5..3f1d3dfd95 100644 --- a/migration/colo.c +++ b/migration/colo.c @@ -798,9 +798,7 @@ static void colo_incoming_process_checkpoint(MigrationIncomingState *mis, colo_send_message(mis->to_src_file, COLO_MESSAGE_VMSTATE_LOADED, &local_err); - if (local_err) { - error_propagate(errp, local_err); - } + error_propagate(errp, local_err); } static void colo_wait_handle_message(MigrationIncomingState *mis, diff --git a/migration/migration.c b/migration/migration.c index aca7fdcd0b..0575ecb379 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -623,9 +623,7 @@ void migration_fd_process_incoming(QEMUFile *f, Error **errp) } if (migration_incoming_setup(f, &local_err)) { - if (local_err) { - error_propagate(errp, local_err); - } + error_propagate(errp, local_err); return; } migration_incoming_process(); @@ -647,9 +645,7 @@ void migration_ioc_process_incoming(QIOChannel *ioc, Error **errp) } if (migration_incoming_setup(f, &local_err)) { - if (local_err) { - error_propagate(errp, local_err); - } + error_propagate(errp, local_err); return; } From patchwork Fri Oct 9 06:48:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 303352 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 72D97C433DF for ; Fri, 9 Oct 2020 07:08:59 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id A632122260 for ; 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Variables now unused dropped manually. Cc: Eric Auger Cc: David Hildenbrand Signed-off-by: Markus Armbruster Message-Id: <20200722084048.1726105-5-armbru@redhat.com> Reviewed-by: David Hildenbrand --- exec.c | 11 +++-------- hw/s390x/s390-virtio-ccw.c | 7 +------ hw/virtio/vhost.c | 10 +++------- 3 files changed, 7 insertions(+), 21 deletions(-) diff --git a/exec.c b/exec.c index ec68f4a9ca..bca441f7fd 100644 --- a/exec.c +++ b/exec.c @@ -623,8 +623,7 @@ static void tcg_register_iommu_notifier(CPUState *cpu, */ MemoryRegion *mr = MEMORY_REGION(iommu_mr); TCGIOMMUNotifier *notifier; - Error *err = NULL; - int i, ret; + int i; for (i = 0; i < cpu->iommu_notifiers->len; i++) { notifier = g_array_index(cpu->iommu_notifiers, TCGIOMMUNotifier *, i); @@ -653,12 +652,8 @@ static void tcg_register_iommu_notifier(CPUState *cpu, 0, HWADDR_MAX, iommu_idx); - ret = memory_region_register_iommu_notifier(notifier->mr, ¬ifier->n, - &err); - if (ret) { - error_report_err(err); - exit(1); - } + memory_region_register_iommu_notifier(notifier->mr, ¬ifier->n, + &error_fatal); } if (!notifier->active) { diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index 28266a3a35..e52182f946 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -161,7 +161,6 @@ static void virtio_ccw_register_hcalls(void) static void s390_memory_init(MemoryRegion *ram) { MemoryRegion *sysmem = get_system_memory(); - Error *local_err = NULL; /* allocate RAM for core */ memory_region_add_subregion(sysmem, 0, ram); @@ -170,11 +169,7 @@ static void s390_memory_init(MemoryRegion *ram) * Configure the maximum page size. As no memory devices were created * yet, this is the page size of initial memory only. */ - s390_set_max_pagesize(qemu_maxrampagesize(), &local_err); - if (local_err) { - error_report_err(local_err); - exit(EXIT_FAILURE); - } + s390_set_max_pagesize(qemu_maxrampagesize(), &error_fatal); /* Initialize storage key device */ s390_skeys_init(); /* Initialize storage attributes device */ diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index 68f0a75134..3077fa6ef5 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -712,9 +712,8 @@ static void vhost_iommu_region_add(MemoryListener *listener, iommu_listener); struct vhost_iommu *iommu; Int128 end; - int iommu_idx, ret; + int iommu_idx; IOMMUMemoryRegion *iommu_mr; - Error *err = NULL; if (!memory_region_is_iommu(section->mr)) { return; @@ -737,11 +736,8 @@ static void vhost_iommu_region_add(MemoryListener *listener, iommu->iommu_offset = section->offset_within_address_space - section->offset_within_region; iommu->hdev = dev; - ret = memory_region_register_iommu_notifier(section->mr, &iommu->n, &err); - if (ret) { - error_report_err(err); - exit(1); - } + memory_region_register_iommu_notifier(section->mr, &iommu->n, + &error_fatal); QLIST_INSERT_HEAD(&dev->iommu_list, iommu, iommu_next); /* TODO: can replay help performance here? */ }