[dpdk-dev] [PATCH v2 7/8] net/dpaa2: fix the implementation of xstats

[Hemant Agrawal <hemant.agrawal@nxp.com>]

Fixes: 1d6329b2fc1f ("net/dpaa2: support extra stats")
Cc: stable@dpdk.org

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 drivers/net/dpaa2/dpaa2_ethdev.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index 281483d..eed6dc9 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -1115,12 +1115,12 @@ dpaa2_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
 	union dpni_statistics value[3] = {};
 	unsigned int i = 0, num = RTE_DIM(dpaa2_xstats_strings);
 
-	if (xstats == NULL)
-		return 0;
-
 	if (n < num)
 		return num;
 
+	if (xstats == NULL)
+		return 0;
+
 	/* Get Counters from page_0*/
 	retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
 				      0, 0, &value[0]);
@@ -1153,10 +1153,13 @@ dpaa2_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
 static int
 dpaa2_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
 		       struct rte_eth_xstat_name *xstats_names,
-		       __rte_unused unsigned int limit)
+		       unsigned int limit)
 {
 	unsigned int i, stat_cnt = RTE_DIM(dpaa2_xstats_strings);
 
+	if (limit < stat_cnt)
+		return stat_cnt;
+
 	if (xstats_names != NULL)
 		for (i = 0; i < stat_cnt; i++)
 			snprintf(xstats_names[i].name,
-- 
2.7.4