From: David Christensen <drc@linux.vnet.ibm.com>
Date: Tue, 15 Jun 2021 17:20:27 +0000 (-0700)
Subject: bus/pci: fix IOVA as VA support for PowerNV
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=cc4219d1f0f0598d4f05ac9e24bafd6532122399;p=dpdk.git

bus/pci: fix IOVA as VA support for PowerNV

Fix the IOMMU detection logic that looks for the "platform" field of
/proc/cpuinfo on POWER systems.

Fixes: 905215731833 ("bus/pci: support IOVA as VA on PowerNV systems")
Cc: stable@dpdk.org

Signed-off-by: David Christensen <drc@linux.vnet.ibm.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
---

diff --git a/drivers/bus/pci/linux/pci.c b/drivers/bus/pci/linux/pci.c
index 0dc99e9cb2..edfe430268 100644
--- a/drivers/bus/pci/linux/pci.c
+++ b/drivers/bus/pci/linux/pci.c
@@ -569,7 +569,7 @@ pci_device_iommu_support_va(__rte_unused const struct rte_pci_device *dev)
 
 	/* Check for a PowerNV platform */
 	while (getline(&line, &len, fp) != -1) {
-		if (strstr(line, "platform") != NULL)
+		if (strstr(line, "platform") == NULL)
 			continue;
 
 		if (strstr(line, "PowerNV") != NULL) {