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Wed, 02 Sep 2026 12:36:04 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (smtpav03.fra02v.mail.ibm.com [10.20.54.102]) by smtprelay03.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 682Ca0Of39256406 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 2 Sep 2026 12:36:00 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 87A7820043; Wed, 2 Sep 2026 12:36:00 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 224FA20040; Wed, 2 Sep 2026 12:35:57 +0000 (GMT) Received: from sapthagiri.in.ibm.com (unknown [9.111.3.140]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 2 Sep 2026 12:35:56 +0000 (GMT) From: Srikar Dronamraju To: linuxppc-dev , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" Cc: skiboot@lists.ozlabs.org, arbab@linux.ibm.com, mahesh@linux.ibm.com, Srikar Dronamraju , Ritesh Harjani , "Mike Rapoport (Microsoft)" , Andrew Morton , linux-kernel@vger.kernel.org Subject: [PATCH v3 1/3] powerpc/numa: Simplify find_primary_domain_index Date: Wed, 2 Sep 2026 18:05:00 +0530 Message-ID: <20260902123458.340456-6-srikar@linux.ibm.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260902123458.340456-5-srikar@linux.ibm.com> References: <20260902123458.340456-5-srikar@linux.ibm.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=PPc/P/qC c=1 sm=1 tr=0 ts=6a981836 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VnNF1IyMAAAA:8 a=PUaLgzmSHm3KdX723h0A:9 X-Proofpoint-GUID: HyVEp5nbC4GRYEsQGOpoOYb2ioRYH7BH X-Proofpoint-ORIG-GUID: p9cgBGVPMIrlnbsmqXXp-URB0jLhVryp X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAyMDExMSBTYWx0ZWRfX+Rv60LOYO/ob Xhhs40CxyGL6LlWn8lbyAket0vuxT+xmzZJyXjaXnpRDlnGuPFY+ZBww0M+4jnHq/JdOBnqoICD OVDQSDV3E2poiUqTCYrXgnAtXYTpuxE= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAyMDExMSBTYWx0ZWRfX6xchg/jDQ8uR qK46S+UraSCQn9tz+oqagV+QBOpwc1ApKHVb0buo0/WrgoVqmSHKprB5lmgLlPJCbI9RB2XPCye hRiKRwPx5ZQ7uhuQzYZFRuZrx5zgVxYwKGE2SqX53c8v4uC+9C2Rufh9g9P7Tr4ZQW282P9P3J6 fNTkiuMAtpACjHGATdISapUvrURf8Af+I8zDtkifEx/xf1pA+DfaJd54jcEpvoIq0ie3I6ixZCo DgcRl8Mhyy1lgv1t/9nx3+Mwi693JMtdRoQeEZ9NgfRg1PEwp5GYSmXtFd+oNOJf6qynj49wgzY 4+n+8usjq+jmajKBCBRXxZwfbJ1Dgv3jFwlMp/WU7Hwo87RDeNDrbtSt+JlWHBXq7dF2GLF8t1m SbYyyxj/3cx3cZjWXU15s0wHdWXQLdsgTZcpEMzuZ1qFYmct4UBVqKZZ+/In8kCx9KHzgEbraY5 qqqsvp/lPJFyiBzeiBw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-02_03,2026-09-01_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 phishscore=0 adultscore=0 suspectscore=0 bulkscore=0 spamscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609020111 Initialize the return value once and use a single exit path in find_primary_domain_index(). This is a small cleanup that keeps the existing behavior unchanged while making the control flow easier to follow. Signed-off-by: Srikar Dronamraju --- Changelog from v1: - Handle comments from Christophe Leroy arch/powerpc/mm/numa.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index f4cf3ae036de..c44a80d8fc11 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -432,7 +432,7 @@ static void __init initialize_form2_numa_distance_lookup_table(void) static int __init find_primary_domain_index(void) { - int index; + int index = -1; struct device_node *root; /* @@ -502,12 +502,9 @@ static int __init find_primary_domain_index(void) distance_ref_points_depth = MAX_DISTANCE_REF_POINTS; } - of_node_put(root); - return index; - err: of_node_put(root); - return -1; + return index; } static void __init get_n_mem_cells(int *n_addr_cells, int *n_size_cells) -- 2.43.7