make rename_netif() error messages useful

[elogind.git] / udev_device.c

diff --git a/udev_device.c b/udev_device.c
index ed41c856e50df133bbc73a079c17101e9cc63a4c..87f90c76769b714320381368ab9cf02649c2030e 100644 (file)
--- a/udev_device.c
+++ b/udev_device.c
@@ -106,7 +106,7 @@ static int rename_netif(struct udevice *udev)
 
                /* see if the destination interface name already exists */
                if (errno != EEXIST) {
-                       err("error changing netif name: %s", strerror(errno));
+                       err("error changing netif name %s to %s: %s", ifr.ifr_name, ifr.ifr_newname, strerror(errno));
                        goto exit;
                }
 
@@ -115,7 +115,7 @@ static int rename_netif(struct udevice *udev)
                strlcat(ifr.ifr_newname, "_rename", IFNAMSIZ);
                retval = ioctl(sk, SIOCSIFNAME, &ifr);
                if (retval != 0) {
-                       err("error changing netif name: %s", strerror(errno));
+                       err("error changing netif name %s to %s: %s", ifr.ifr_name, ifr.ifr_newname, strerror(errno));
                        goto exit;
                }
 
@@ -127,7 +127,8 @@ static int rename_netif(struct udevice *udev)
                        retval = ioctl(sk, SIOCSIFNAME, &ifr);  
                        if (retval != 0) {
                                if (errno != EEXIST) {
-                                       err("error changing net interface name: %s", strerror(errno));
+                                       err("error changing net interface name %s to %s: %s",
+                                           ifr.ifr_name, ifr.ifr_newname, strerror(errno));
                                        break;
                                }
                                dbg("wait for netif '%s' to become free, loop=%i", udev->name, (30 * 20) - loop);