GCC 5.1 detects more out-of-bounds accesses:
error: array subscript is above array bounds [-Werror=array-bounds]
Signed-off-by: Thomas Monjalon <thomas.monjalon at 6wind.com>
---
examples/load_balancer/config.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/examples/load_balancer/config.c b/examples/load_balancer/config.c
index 35f1441..3f6ddee 100644
--- a/examples/load_balancer/config.c
+++ b/examples/load_balancer/config.c
@@ -231,7 +231,9 @@ parse_arg_rx(const char *arg)
return -7;
}
lp->type = e_APP_LCORE_IO;
- for (i = 0; i < lp->io.rx.n_nic_queues; i ++) {
+ const size_t n_queues = RTE_MIN(lp->io.rx.n_nic_queues,
+ RTE_DIM(lp->io.rx.nic_queues));
+ for (i = 0; i < n_queues; i ++) {
if ((lp->io.rx.nic_queues[i].port == port) &&
(lp->io.rx.nic_queues[i].queue == queue)) {
return -8;
@@ -308,7 +310,9 @@ parse_arg_tx(const char *arg)
return -7;
}
lp->type = e_APP_LCORE_IO;
- for (i = 0; i < lp->io.tx.n_nic_ports; i ++) {
+ const size_t n_ports = RTE_MIN(lp->io.tx.n_nic_ports,
+ RTE_DIM(lp->io.tx.nic_ports));
+ for (i = 0; i < n_ports; i ++) {
if (lp->io.tx.nic_ports[i] == port) {
return -8;
}
@@ -791,7 +795,9 @@ app_get_lcore_for_nic_rx(uint8_t port, uint8_t queue,
uint32_t *lcore_out)
continue;
}
- for (i = 0; i < lp->rx.n_nic_queues; i ++) {
+ const size_t n_queues = RTE_MIN(lp->rx.n_nic_queues,
+ RTE_DIM(lp->rx.nic_queues));
+ for (i = 0; i < n_queues; i ++) {
if ((lp->rx.nic_queues[i].port == port) &&
(lp->rx.nic_queues[i].queue == queue)) {
*lcore_out = lcore;
@@ -816,7 +822,9 @@ app_get_lcore_for_nic_tx(uint8_t port, uint32_t *lcore_out)
continue;
}
- for (i = 0; i < lp->tx.n_nic_ports; i ++) {
+ const size_t n_ports = RTE_MIN(lp->tx.n_nic_ports,
+ RTE_DIM(lp->tx.nic_ports));
+ for (i = 0; i < n_ports; i ++) {
if (lp->tx.nic_ports[i] == port) {
*lcore_out = lcore;
return 0;
--
2.4.2
