examples/ipsec-secgw: fix out-of-bound check

Coverity issue: 336791
Fixes: 7622291b641d ("examples/ipsec-secgw: allow to specify neighbour MAC address")
Cc: stable@dpdk.org
Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>

diff --git a/examples/ipsec-secgw/ipsec-secgw.c b/examples/ipsec-secgw/ipsec-secgw.c
index b253eea2bfe94ecc19716588815614bebdadc432..ffbd00b0806d85b4839dd297c8348090cfcb0920 100644 (file)
--- a/examples/ipsec-secgw/ipsec-secgw.c
+++ b/examples/ipsec-secgw/ipsec-secgw.c
@@ -1439,7 +1439,7 @@ print_ethaddr(const char *name, const struct ether_addr *eth_addr)
 int
 add_dst_ethaddr(uint16_t port, const struct ether_addr *addr)
 {
-       if (port > RTE_DIM(ethaddr_tbl))
+       if (port >= RTE_DIM(ethaddr_tbl))
                return -EINVAL;
 
        ethaddr_tbl[port].dst = ETHADDR_TO_UINT64(addr);