[dpdk-stable] [PATCH 5/5] net/sfc: make sure that stats name is nul-terminated

[Andy Green]

Fixes: 73280c1e4ff2 ("net/sfc: support xstats retrieval by ID")
Fixes: 7b9891769f4b ("net/sfc: support extended statistics")
Cc: stable at dpdk.org

Signed-off-by: Andy Green <andy at warmcat.com>
Acked-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
 drivers/net/sfc/sfc_ethdev.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index 2f5f86f84..7373ebeec 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -35,6 +35,7 @@
 #include <rte_pci.h>
 #include <rte_bus_pci.h>
 #include <rte_errno.h>
+#include <rte_string_fns.h>
 
 #include "efx.h"
 
@@ -666,7 +667,7 @@ sfc_xstats_get_names(struct rte_eth_dev *dev,
 	for (i = 0; i < EFX_MAC_NSTATS; ++i) {
 		if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
 			if (xstats_names != NULL && nstats < xstats_count)
-				strncpy(xstats_names[nstats].name,
+				strlcpy(xstats_names[nstats].name,
 					efx_mac_stat_name(sa->nic, i),
 					sizeof(xstats_names[0].name));
 			nstats++;
@@ -744,9 +745,8 @@ sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
 		if ((ids == NULL) || (ids[nb_written] == nb_supported)) {
 			char *name = xstats_names[nb_written++].name;
 
-			strncpy(name, efx_mac_stat_name(sa->nic, i),
+			strlcpy(name, efx_mac_stat_name(sa->nic, i),
 				sizeof(xstats_names[0].name));
-			name[sizeof(xstats_names[0].name) - 1] = '\0';
 		}
 
 		++nb_supported;