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From: Bart Van Assche <bvanassche@acm.org>
To: "Martin K . Petersen" <martin.petersen@oracle.com>,
	"James E . J . Bottomley" <jejb@linux.vnet.ibm.com>
Cc: James Smart <jsmart2021@gmail.com>,
	linux-scsi@vger.kernel.org, Bart Van Assche <bvanassche@acm.org>
Subject: [PATCH 3/3] lpfc: Fix lpfc_cpumask_of_node_init()
Date: Wed,  6 Nov 2019 21:21:58 -0800	[thread overview]
Message-ID: <20191107052158.25788-6-bvanassche@acm.org> (raw)
In-Reply-To: <20191107052158.25788-1-bvanassche@acm.org>

Fix the following kernel warning:

cpumask_of_node(-1): (unsigned)node >= nr_node_ids(1)

Fixes: dcaa21367938 ("scsi: lpfc: Change default IRQ model on AMD architectures")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/scsi/lpfc/lpfc_init.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 37e57fd9ba5d..f2051e2f5f56 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -6005,21 +6005,14 @@ static void
 lpfc_cpumask_of_node_init(struct lpfc_hba *phba)
 {
 	unsigned int cpu, numa_node;
-	struct cpumask *numa_mask = NULL;
+	struct cpumask *numa_mask = &phba->sli4_hba.numa_mask;
 
-#ifdef CONFIG_NUMA
-	numa_node = phba->pcidev->dev.numa_node;
-#else
-	numa_node = NUMA_NO_NODE;
-#endif
-	numa_mask = &phba->sli4_hba.numa_mask;
+	numa_node = dev_to_node(&phba->pcidev->dev);
+	if (numa_node == NUMA_NO_NODE)
+		return;
 
 	cpumask_clear(numa_mask);
 
-	/* Check if we're a NUMA architecture */
-	if (!cpumask_of_node(numa_node))
-		return;
-
 	for_each_possible_cpu(cpu)
 		if (cpu_to_node(cpu) == numa_node)
 			cpumask_set_cpu(cpu, numa_mask);
-- 
2.23.0


  parent reply	other threads:[~2019-11-07  5:22 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-07  5:21 [PATCH 0/3] Three lpfc fixes Bart Van Assche
2019-11-07  5:21 ` [PATCH 1/3] lpfc: Fix a kernel warning triggered by lpfc_get_sgl_per_hdwq() Bart Van Assche
2019-11-08 22:36   ` James Smart
2019-11-07  5:21 ` [PATCH 1/2] qla2xxx: Remove an include directive Bart Van Assche
2019-11-07  5:21 ` [PATCH 2/3] lpfc: Fix a kernel warning triggered by lpfc_sli4_enable_intr() Bart Van Assche
2019-11-08 22:39   ` James Smart
2019-11-07  5:21 ` [PATCH 2/2] qla2xxx: Fix a dma_pool_free() call Bart Van Assche
2019-11-07  5:21 ` Bart Van Assche [this message]
2019-11-08 22:43   ` [PATCH 3/3] lpfc: Fix lpfc_cpumask_of_node_init() James Smart
2019-11-09  2:49     ` Bart Van Assche
2019-11-09  2:31 ` [PATCH 0/3] Three lpfc fixes Martin K. Petersen

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