X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Flinux%2Fdevice.c;h=38debe842d1d4fae3ba34609052be8af9ace44a4;hp=f75f4bdb741ca58c5f9b0df32fa7fdf3b71764ef;hb=061c3fcaf9c63978009dc2707071f8daef8751b2;hpb=3fae14fae5a347823679ef694ab630b4991a201d

diff --git a/src/linux/device.c b/src/linux/device.c
index f75f4bdb..38debe84 100644
--- a/src/linux/device.c
+++ b/src/linux/device.c
@@ -47,7 +47,7 @@ char *device = NULL;
 char *iface = NULL;
 static char *type = NULL;
 static char ifrname[IFNAMSIZ];
-static char *device_info;
+static const char *device_info;
 
 static uint64_t device_total_in = 0;
 static uint64_t device_total_out = 0;
@@ -125,6 +125,9 @@ static bool setup_device(void) {
 		ifrname[IFNAMSIZ - 1] = 0;
 		free(iface);
 		iface = xstrdup(ifrname);
+	} else if(errno == EPERM || errno == EBUSY) {
+		logger(LOG_ERR, "Error while trying to configure %s: %s", device, strerror(errno));
+		return false;
 	} else if(!ioctl(device_fd, (('T' << 8) | 202), &ifr)) {
 		logger(LOG_WARNING, "Old ioctl() request was needed for %s", device);
 		strncpy(ifrname, ifr.ifr_name, IFNAMSIZ);