bus/pci: fix use after free on unplug

[dpdk.git] / examples / ip_pipeline / kni.c

diff --git a/examples/ip_pipeline/kni.c b/examples/ip_pipeline/kni.c
index e3d0b37..a2d3331 100644 (file)
--- a/examples/ip_pipeline/kni.c
+++ b/examples/ip_pipeline/kni.c
@@ -24,7 +24,7 @@ kni_init(void)
 {
        TAILQ_INIT(&kni_list);
 
-#ifdef RTE_LIBRTE_KNI
+#ifdef RTE_LIB_KNI
        rte_kni_init(KNI_MAX);
 #endif
 
@@ -46,7 +46,7 @@ kni_find(const char *name)
        return NULL;
 }
 
-#ifndef RTE_LIBRTE_KNI
+#ifndef RTE_LIB_KNI
 
 struct kni *
 kni_create(const char *name __rte_unused,
@@ -86,7 +86,7 @@ kni_change_mtu(uint16_t port_id, unsigned int new_mtu)
        if (!rte_eth_dev_is_valid_port(port_id))
                return -EINVAL;
 
-       if (new_mtu > ETHER_MAX_LEN)
+       if (new_mtu > RTE_ETHER_MAX_LEN)
                return -EINVAL;
 
        /* Set new MTU */
@@ -109,6 +109,7 @@ kni_create(const char *name, struct kni_params *params)
        struct rte_kni *k;
        const struct rte_pci_device *pci_dev;
        const struct rte_bus *bus = NULL;
+       int ret;
 
        /* Check input params */
        if ((name == NULL) ||
@@ -123,7 +124,9 @@ kni_create(const char *name, struct kni_params *params)
                return NULL;
 
        /* Resource create */
-       rte_eth_dev_info_get(link->port_id, &dev_info);
+       ret = rte_eth_dev_info_get(link->port_id, &dev_info);
+       if (ret != 0)
+               return NULL;
 
        memset(&kni_conf, 0, sizeof(kni_conf));
        strlcpy(kni_conf.name, name, RTE_KNI_NAMESIZE);