summaryrefslogtreecommitdiffstats
path: root/VNFs/DPPD-PROX
diff options
context:
space:
mode:
authorXavier Simonart <xavier.simonart@intel.com>2018-11-04 17:23:32 +0100
committerXavier Simonart <xavier.simonart@intel.com>2018-11-04 17:25:35 +0100
commit2a16001e311b414bdadd42d048a12e6995a0e20e (patch)
tree9511d6bc33159b7cefced5ec19059deaf53cbc8e /VNFs/DPPD-PROX
parentabbfe2212b979e5048cafc82ecb12d11ab84f764 (diff)
Fix potential crash when getting device info
In some cases, like when using virtual functions, getting device info return a NULL device, which was potentially causing a crash. Change-Id: Icc65f35bb54cd7d9bd8d837b3d6ec7ebb48b7c5e Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
Diffstat (limited to 'VNFs/DPPD-PROX')
-rw-r--r--VNFs/DPPD-PROX/prox_port_cfg.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/VNFs/DPPD-PROX/prox_port_cfg.c b/VNFs/DPPD-PROX/prox_port_cfg.c
index a71d0cc..5de9dd3 100644
--- a/VNFs/DPPD-PROX/prox_port_cfg.c
+++ b/VNFs/DPPD-PROX/prox_port_cfg.c
@@ -224,16 +224,6 @@ void init_rte_dev(int use_dummy_devices)
port_cfg->max_rx_pkt_len = dev_info.max_rx_pktlen;
port_cfg->min_rx_bufsize = dev_info.min_rx_bufsize;
-#if RTE_VERSION < RTE_VERSION_NUM(18,5,0,0)
- pci_dev = dev_info.pci_dev;
-#else
- pci_dev = RTE_DEV_TO_PCI(dev_info.device);
-#endif
- if (!pci_dev)
- continue;
-
- snprintf(port_cfg->pci_addr, sizeof(port_cfg->pci_addr),
- "%04x:%02x:%02x.%1x", pci_dev->addr.domain, pci_dev->addr.bus, pci_dev->addr.devid, pci_dev->addr.function);
strncpy(port_cfg->driver_name, dev_info.driver_name, sizeof(port_cfg->driver_name));
plog_info("\tPort %u : driver='%s' tx_queues=%d rx_queues=%d\n", port_id, !strcmp(port_cfg->driver_name, "")? "null" : port_cfg->driver_name, port_cfg->max_txq, port_cfg->max_rxq);
@@ -249,6 +239,18 @@ void init_rte_dev(int use_dummy_devices)
*ptr = '\x0';
}
+#if RTE_VERSION < RTE_VERSION_NUM(18,5,0,0)
+ pci_dev = dev_info.pci_dev;
+#else
+ if (!dev_info.device)
+ continue;
+ pci_dev = RTE_DEV_TO_PCI(dev_info.device);
+#endif
+ if (!pci_dev)
+ continue;
+
+ snprintf(port_cfg->pci_addr, sizeof(port_cfg->pci_addr),
+ "%04x:%02x:%02x.%1x", pci_dev->addr.domain, pci_dev->addr.bus, pci_dev->addr.devid, pci_dev->addr.function);
/* Try to find the device's numa node */
char buf[1024];
snprintf(buf, sizeof(buf), "/sys/bus/pci/devices/%s/numa_node", port_cfg->pci_addr);