[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 <huangdeng...@huawei.com>
Acked-by: Chengwen Feng <fengcheng...@huawei.com>
Acked-by: Morten Brørup <m...@smartsharesystems.com>
Acked-by: Huisong Li <lihuis...@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