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[dpdk-dev,v5,11/16] net/sfc: make sure that copied stats name is NUL-terminated

Message ID 152608971956.121204.7958270774465998697.stgit@localhost.localdomain (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Andy Green May 12, 2018, 1:48 a.m. UTC
Signed-off-by: Andy Green <andy@warmcat.com>
Acked-by: Andrew Rybchenko <arybchenko@oktetlabs.ru>
Fixes: 73280c1e4ff2 ("net/sfc: support xstats retrieval by ID")
Fixes: 7b9891769f4b ("net/sfc: support extended statistics")
Cc: stable@dpdk.org
---
 drivers/net/sfc/sfc_ethdev.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index e42d55350..a8c0f8e19 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -13,6 +13,7 @@ 
 #include <rte_pci.h>
 #include <rte_bus_pci.h>
 #include <rte_errno.h>
+#include <rte_string_fns.h>
 
 #include "efx.h"
 
@@ -663,7 +664,7 @@  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++;
@@ -741,9 +742,8 @@  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;