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Thu, 1 Jul 2021 15:24:14 +0000 (GMT) Received: from smtp.tlslab.ibm.com (unknown [9.101.4.1]) by d06av23.portsmouth.uk.ibm.com (Postfix) with SMTP; Thu, 1 Jul 2021 15:24:14 +0000 (GMT) Received: from yukon.ibmuc.com (unknown [9.171.33.183]) by smtp.tlslab.ibm.com (Postfix) with ESMTP id 228502200C7; Thu, 1 Jul 2021 17:24:14 +0200 (CEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH] powerpc/xive: Fix error handling when allocating an IPI Date: Thu, 1 Jul 2021 17:24:12 +0200 Message-Id: <20210701152412.1507612-1-clg@kaod.org> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 5Vt0Cgvq0w0KBDaWNmDzss_wptDoTXsf X-Proofpoint-ORIG-GUID: 5Vt0Cgvq0w0KBDaWNmDzss_wptDoTXsf X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.790 definitions=2021-07-01_08:2021-07-01, 2021-07-01 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 impostorscore=0 adultscore=0 spamscore=0 suspectscore=0 bulkscore=0 clxscore=1034 mlxscore=0 mlxlogscore=511 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2107010092 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , stable@vger.kernel.org, kernel test robot Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This is a smatch warning: arch/powerpc/sysdev/xive/common.c:1161 xive_request_ipi() warn: unsigne= d 'xid->irq' is never less than zero. Fixes: fd6db2892eba ("powerpc/xive: Modernize XIVE-IPI domain with an 'al= loc' handler") Cc: stable@vger.kernel.org # v5.13 Reported-by: kernel test robot Signed-off-by: C=C3=A9dric Le Goater --- arch/powerpc/sysdev/xive/common.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive= /common.c index f8ff558bc305..7bbb9bc83057 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -1148,11 +1148,10 @@ static int __init xive_request_ipi(void) * Since the HW interrupt number doesn't have any meaning, * simply use the node number. */ - xid->irq =3D irq_domain_alloc_irqs(ipi_domain, 1, node, &info); - if (xid->irq < 0) { - ret =3D xid->irq; + ret =3D irq_domain_alloc_irqs(ipi_domain, 1, node, &info); + if (ret < 0) goto out_free_xive_ipis; - } + xid->irq =3D ret; =20 snprintf(xid->name, sizeof(xid->name), "IPI-%d", node); =20 --=20 2.31.1