ethdev: check for invalid device name

[dpdk.git] / lib / librte_ethdev / rte_ethdev.c

diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 3f22536..12b66b6 100644 (file)
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -438,6 +438,18 @@ rte_eth_dev_allocate(const char *name)
 {
        uint16_t port_id;
        struct rte_eth_dev *eth_dev = NULL;
+       size_t name_len;
+
+       name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
+       if (name_len == 0) {
+               RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
+               return NULL;
+       }
+
+       if (name_len >= RTE_ETH_NAME_MAX_LEN) {
+               RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
+               return NULL;
+       }
 
        rte_eth_dev_shared_data_prepare();