[PATCH v5 30/52] net/dpaa2: replace strerror with reentrant version

[Dengdui Huang]

The function strerror() is insecure in a multi-thread environment.
This patch uses strerror_r() to replace it.

Signed-off-by: Dengdui Huang <huangdengdui at huawei.com>
Acked-by: Chengwen Feng <fengchengwen at huawei.com>
Acked-by: Morten Brørup <mb at smartsharesystems.com>
Acked-by: Huisong Li <lihuisong at huawei.com>
---
 drivers/net/dpaa2/dpaa2_ethdev.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index 7b3e587a8d..6a058e90f8 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -1163,22 +1163,28 @@ dpaa2_eth_setup_irqs(struct rte_eth_dev *dev, int enable)
 	struct fsl_mc_io *dpni = (struct fsl_mc_io *)dev->process_private;
 	int irq_index = DPNI_IRQ_INDEX;
 	unsigned int mask = DPNI_IRQ_EVENT_LINK_CHANGED;
+	char errmsg[RTE_STRERR_BUFSIZE];
 
 	PMD_INIT_FUNC_TRACE();
 
 	err = dpni_set_irq_mask(dpni, CMD_PRI_LOW, priv->token,
 				irq_index, mask);
 	if (err < 0) {
+		if (strerror_r(-err, errmsg, sizeof(errmsg)) != 0)
+			snprintf(errmsg, sizeof(errmsg), "Unknown error %d", -err);
 		DPAA2_PMD_ERR("Error: dpni_set_irq_mask():%d (%s)", err,
-			      strerror(-err));
+			      errmsg);
 		return err;
 	}
 
 	err = dpni_set_irq_enable(dpni, CMD_PRI_LOW, priv->token,
 				  irq_index, enable);
-	if (err < 0)
+	if (err < 0) {
+		if (strerror_r(-err, errmsg, sizeof(errmsg)) != 0)
+			snprintf(errmsg, sizeof(errmsg), "Unknown error %d", -err);
 		DPAA2_PMD_ERR("Error: dpni_set_irq_enable():%d (%s)", err,
-			      strerror(-err));
+			      errmsg);
+	}
 
 	return err;
 }
-- 
2.33.0