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bh=ZKjuk6fjg6iz0+aIvm9tzmOZTgOfGaENLQD4KGF73DA=; b=Y/U+1SswCuKBGLXshdBrhLBdQstchWLWuugI3h7kk9STqv1Fo0VjNRA2wUnplCfmdZsED4 kZ54PSDEzd5NEQhu0A9XQG3aAR81cw/EkcqgMkBv6wZg9VRwarwd6sfQFcjQ73NGEdaKmy WSQguRb1BoPeehFGNqVrg7Qsi45hFXo= X-MC-Unique: GsdxkOC3Pvi-B8vCsNr1JA-1 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-devel@nongnu.org Cc: qemu-s390x@nongnu.org, Thomas Huth , Zhenzhong Duan , Matthew Rosato , Eric Farman , Tony Krowiak , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PATCH 4/7] s390x/css: Make S390CCWDeviceClass::realize return bool Date: Wed, 22 May 2024 19:01:04 +0200 Message-ID: <20240522170107.289532-5-clg@redhat.com> In-Reply-To: <20240522170107.289532-1-clg@redhat.com> References: <20240522170107.289532-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.1 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1716397341477100006 Since the realize() handler of S390CCWDeviceClass takes an 'Error **' argument, best practices suggest to return a bool. See the api/error.h Rules section. While at it, modify the call in vfio_ccw_realize(). Signed-off-by: C=C3=A9dric Le Goater Reviewed-by: Anthony Krowiak Reviewed-by: Zhenzhong Duan --- include/hw/s390x/s390-ccw.h | 2 +- hw/s390x/s390-ccw.c | 7 ++++--- hw/vfio/ccw.c | 3 +-- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/include/hw/s390x/s390-ccw.h b/include/hw/s390x/s390-ccw.h index 2c807ee3a1ae8d85460fe65be8a62c64f212fe4b..2e0a70998132070996d6b0d083b= 8ddba5b9b87dc 100644 --- a/include/hw/s390x/s390-ccw.h +++ b/include/hw/s390x/s390-ccw.h @@ -31,7 +31,7 @@ struct S390CCWDevice { =20 struct S390CCWDeviceClass { CCWDeviceClass parent_class; - void (*realize)(S390CCWDevice *dev, char *sysfsdev, Error **errp); + bool (*realize)(S390CCWDevice *dev, char *sysfsdev, Error **errp); void (*unrealize)(S390CCWDevice *dev); IOInstEnding (*handle_request) (SubchDev *sch); int (*handle_halt) (SubchDev *sch); diff --git a/hw/s390x/s390-ccw.c b/hw/s390x/s390-ccw.c index b3d14c61d732880a651edcf28a040ca723cb9f5b..3c0975055089c3629dd76ce2e14= 84a4ef66d8d41 100644 --- a/hw/s390x/s390-ccw.c +++ b/hw/s390x/s390-ccw.c @@ -108,7 +108,7 @@ static bool s390_ccw_get_dev_info(S390CCWDevice *cdev, return true; } =20 -static void s390_ccw_realize(S390CCWDevice *cdev, char *sysfsdev, Error **= errp) +static bool s390_ccw_realize(S390CCWDevice *cdev, char *sysfsdev, Error **= errp) { CcwDevice *ccw_dev =3D CCW_DEVICE(cdev); CCWDeviceClass *ck =3D CCW_DEVICE_GET_CLASS(ccw_dev); @@ -117,7 +117,7 @@ static void s390_ccw_realize(S390CCWDevice *cdev, char = *sysfsdev, Error **errp) int ret; =20 if (!s390_ccw_get_dev_info(cdev, sysfsdev, errp)) { - return; + return false; } =20 sch =3D css_create_sch(ccw_dev->devno, errp); @@ -142,7 +142,7 @@ static void s390_ccw_realize(S390CCWDevice *cdev, char = *sysfsdev, Error **errp) =20 css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, parent->hotplugged, 1); - return; + return true; =20 out_err: css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL); @@ -150,6 +150,7 @@ out_err: g_free(sch); out_mdevid_free: g_free(cdev->mdevid); + return false; } =20 static void s390_ccw_unrealize(S390CCWDevice *cdev) diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c index 2600e62e37238779800dc2b3a0bd315d7633017b..9a8e052711fe2f7c067c52808b2= af30d0ebfee0c 100644 --- a/hw/vfio/ccw.c +++ b/hw/vfio/ccw.c @@ -582,8 +582,7 @@ static void vfio_ccw_realize(DeviceState *dev, Error **= errp) =20 /* Call the class init function for subchannel. */ if (cdc->realize) { - cdc->realize(cdev, vcdev->vdev.sysfsdev, &err); - if (err) { + if (!cdc->realize(cdev, vcdev->vdev.sysfsdev, &err)) { goto out_err_propagate; } } --=20 2.45.1