sgsnemu: use real tun device name after the device is up.
The device name option could be empty, using it without checking would crash sgsnemu. Using the real device is better anyway. Change-Id: Ic3934281bfc2e433323e4ab72cf5be2cbd1c962a
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@ -1928,11 +1928,11 @@ int main(int argc, char **argv)
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we don't need it. Don't exit on error since this sysctl is
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only available starting with linux 4.11. */
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snprintf(buf, sizeof(buf), "%u", IN6_ADDR_GEN_MODE_NONE);
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if (proc_ipv6_conf_write(options.tun_dev_name, "addr_gen_mode", buf) < 0) {
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if (proc_ipv6_conf_write(tun->devname, "addr_gen_mode", buf) < 0) {
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SYS_ERR(DSGSN, LOGL_ERROR, errno,
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"Failed to disable addr_gen_mode on %s, an extra link-local "
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"ip address will appear on the tun device.\n",
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options.tun_dev_name);
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tun->devname);
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}
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#endif
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@ -1940,9 +1940,9 @@ int main(int argc, char **argv)
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if (tun->fd > maxfd)
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maxfd = tun->fd;
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if (proc_ipv6_conf_write(options.tun_dev_name, "accept_ra", "0") < 0) {
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if (proc_ipv6_conf_write(tun->devname, "accept_ra", "0") < 0) {
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SYS_ERR(DSGSN, LOGL_ERROR, 0,
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"Failed to disable IPv6 SLAAC on %s\n", options.tun_dev_name);
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"Failed to disable IPv6 SLAAC on %s\n", tun->devname);
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exit(1);
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}
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}
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