[PATCH v2 11/43] bus/cdx: use rte strerror

[Dengdui Huang]

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

Cc: stable at dpdk.org

Signed-off-by: Dengdui Huang <huangdengdui at huawei.com>
Acked-by: Chengwen Feng <fengchengwen at huawei.com>
---
 drivers/bus/cdx/cdx.c      |  2 +-
 drivers/bus/cdx/cdx_vfio.c | 13 +++++++------
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/bus/cdx/cdx.c b/drivers/bus/cdx/cdx.c
index 541aae76c3..a3161f8ee4 100644
--- a/drivers/bus/cdx/cdx.c
+++ b/drivers/bus/cdx/cdx.c
@@ -271,7 +271,7 @@ cdx_scan(void)
 	dir = opendir(RTE_CDX_BUS_DEVICES_PATH);
 	if (dir == NULL) {
 		CDX_BUS_INFO("%s(): opendir failed: %s", __func__,
-			strerror(errno));
+			rte_strerror(errno));
 		return 0;
 	}
 
diff --git a/drivers/bus/cdx/cdx_vfio.c b/drivers/bus/cdx/cdx_vfio.c
index 8a3ac0b995..6fb38abfac 100644
--- a/drivers/bus/cdx/cdx_vfio.c
+++ b/drivers/bus/cdx/cdx_vfio.c
@@ -20,6 +20,7 @@
 #include <rte_eal_paging.h>
 #include <rte_malloc.h>
 #include <rte_vfio.h>
+#include <rte_errno.h>
 
 #include "bus_cdx_driver.h"
 #include "cdx_logs.h"
@@ -198,7 +199,7 @@ cdx_vfio_setup_interrupts(struct rte_cdx_device *dev, int vfio_dev_fd,
 		ret = ioctl(vfio_dev_fd, VFIO_DEVICE_GET_IRQ_INFO, &irq);
 		if (ret < 0) {
 			CDX_BUS_ERR("Cannot get VFIO IRQ info, error %i (%s)",
-				errno, strerror(errno));
+				errno, rte_strerror(errno));
 			return -1;
 		}
 
@@ -216,7 +217,7 @@ cdx_vfio_setup_interrupts(struct rte_cdx_device *dev, int vfio_dev_fd,
 		fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
 		if (fd < 0) {
 			CDX_BUS_ERR("Cannot set up eventfd, error %i (%s)",
-				errno, strerror(errno));
+				errno, rte_strerror(errno));
 			return -1;
 		}
 
@@ -252,7 +253,7 @@ cdx_vfio_setup_device(struct rte_cdx_device *dev, int vfio_dev_fd,
 	 */
 	if (ioctl(vfio_dev_fd, VFIO_DEVICE_RESET) && errno != EINVAL) {
 		CDX_BUS_ERR("Unable to reset device! Error: %d (%s)", errno,
-			strerror(errno));
+			rte_strerror(errno));
 		return -1;
 	}
 
@@ -410,7 +411,7 @@ cdx_vfio_map_resource_primary(struct rte_cdx_device *dev)
 		ret = cdx_vfio_get_region_info(vfio_dev_fd, &reg, i);
 		if (ret < 0) {
 			CDX_BUS_ERR("%s cannot get device region info error %i (%s)",
-				dev_name, errno, strerror(errno));
+				dev_name, errno, rte_strerror(errno));
 			goto err_vfio_res;
 		}
 
@@ -438,7 +439,7 @@ cdx_vfio_map_resource_primary(struct rte_cdx_device *dev)
 		ret = cdx_vfio_mmap_resource(vfio_dev_fd, vfio_res, i, 0);
 		if (ret < 0) {
 			CDX_BUS_ERR("%s mapping region %i failed: %s",
-				cdx_addr, i, strerror(errno));
+				cdx_addr, i, rte_strerror(errno));
 			free(reg);
 			goto err_vfio_res;
 		}
@@ -506,7 +507,7 @@ cdx_vfio_map_resource_secondary(struct rte_cdx_device *dev)
 		ret = cdx_vfio_mmap_resource(vfio_dev_fd, vfio_res, i, MAP_FIXED);
 		if (ret < 0) {
 			CDX_BUS_ERR("%s mapping MMIO region %i failed: %s",
-				dev_name, i, strerror(errno));
+				dev_name, i, rte_strerror(errno));
 			goto err_vfio_dev_fd;
 		}
 
-- 
2.33.0