[dpdk-stable] [PATCH] power: fix sprintf with snprintf

[Pallantla Poornima]

sprintf function is not secure as it doesn't check the length of string.
More secure function snprintf is used.

Fixes: 450f079131 ("power: add traffic pattern aware power control")
Cc: stable at dpdk.org

Signed-off-by: Pallantla Poornima <pallantlax.poornima at intel.com>
---
 lib/librte_power/rte_power_empty_poll.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_power/rte_power_empty_poll.c b/lib/librte_power/rte_power_empty_poll.c
index e6145462f..df00a3968 100644
--- a/lib/librte_power/rte_power_empty_poll.c
+++ b/lib/librte_power/rte_power_empty_poll.c
@@ -159,7 +159,7 @@ update_training_stats(struct priority_worker *poll_stats,
 	char pfi_str[32];
 	uint64_t p0_empty_deq;
 
-	sprintf(pfi_str, "%02d", freq);
+	snprintf(pfi_str, sizeof(pfi_str), "%02d", freq);
 
 	if (poll_stats->cur_freq == freq &&
 			poll_stats->thresh[freq].trained == false) {
-- 
2.17.2