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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1719220254; 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=0MEH/mKV63v/JJwnQ03ODMnT7oVBF8nDVD2HElTki68=; b=AvWuCeqXGnVBr9aaVe1l3Hx8oiri2cORBVDuZv6583AhOA1Eo6shkp9lFtyp0HAi2+3+dv SceS8J8VH5gzGNTgkBYOPtgSeFHjMhNHBoGfoKN1UoiD5Z4jePX6SMAX3NEPZwbO1t+APv zkrKPe6TGaTI9Z9zJ+oUM9eUbRI/m+Q= X-MC-Unique: ZyPEeIplM-2XMuSsTDoVgg-1 From: Thomas Huth To: qemu-devel@nongnu.org, Richard Henderson Cc: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Zhenzhong Duan , Anthony Krowiak , Eric Farman Subject: [PULL 01/11] hw/s390x/ccw: Make s390_ccw_get_dev_info() return a bool Date: Mon, 24 Jun 2024 11:10:33 +0200 Message-ID: <20240624091043.177484-2-thuth@redhat.com> In-Reply-To: <20240624091043.177484-1-thuth@redhat.com> References: <20240624091043.177484-1-thuth@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 10.30.177.4 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=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 11 X-Spam_score: 1.1 X-Spam_bar: + X-Spam_report: (1.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.149, 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=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: 1719220329412100004 From: C=C3=A9dric Le Goater Since s390_ccw_get_dev_info() takes an 'Error **' argument, best practices suggest to return a bool. See the qapi/error.h Rules section. While at it, modify the call in s390_ccw_realize(). Signed-off-by: C=C3=A9dric Le Goater Reviewed-by: Zhenzhong Duan Reviewed-by: Anthony Krowiak Reviewed-by: Eric Farman Reviewed-by: Thomas Huth Message-ID: <20240522170107.289532-2-clg@redhat.com> Signed-off-by: Thomas Huth --- hw/s390x/s390-ccw.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/hw/s390x/s390-ccw.c b/hw/s390x/s390-ccw.c index 5261e66724..a06e91dfb3 100644 --- a/hw/s390x/s390-ccw.c +++ b/hw/s390x/s390-ccw.c @@ -71,7 +71,7 @@ IOInstEnding s390_ccw_store(SubchDev *sch) return ret; } =20 -static void s390_ccw_get_dev_info(S390CCWDevice *cdev, +static bool s390_ccw_get_dev_info(S390CCWDevice *cdev, char *sysfsdev, Error **errp) { @@ -84,12 +84,12 @@ static void s390_ccw_get_dev_info(S390CCWDevice *cdev, error_setg(errp, "No host device provided"); error_append_hint(errp, "Use -device vfio-ccw,sysfsdev=3DPATH_TO_DEVICE\= n"); - return; + return false; } =20 if (!realpath(sysfsdev, dev_path)) { error_setg_errno(errp, errno, "Host device '%s' not found", sysfsd= ev); - return; + return false; } =20 cdev->mdevid =3D g_path_get_basename(dev_path); @@ -98,13 +98,14 @@ static void s390_ccw_get_dev_info(S390CCWDevice *cdev, tmp =3D g_path_get_basename(tmp_dir); if (sscanf(tmp, "%2x.%1x.%4x", &cssid, &ssid, &devid) !=3D 3) { error_setg_errno(errp, errno, "Failed to read %s", tmp); - return; + return false; } =20 cdev->hostid.cssid =3D cssid; cdev->hostid.ssid =3D ssid; cdev->hostid.devid =3D devid; cdev->hostid.valid =3D true; + return true; } =20 static void s390_ccw_realize(S390CCWDevice *cdev, char *sysfsdev, Error **= errp) @@ -116,8 +117,7 @@ static void s390_ccw_realize(S390CCWDevice *cdev, char = *sysfsdev, Error **errp) int ret; Error *err =3D NULL; =20 - s390_ccw_get_dev_info(cdev, sysfsdev, &err); - if (err) { + if (!s390_ccw_get_dev_info(cdev, sysfsdev, &err)) { goto out_err_propagate; } =20 --=20 2.45.2