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wifi-utils: fix use of errno

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It can be overwritten when other arguments are evaluated.
This commit is contained in:
Beniamino Galvani 2017-03-20 22:54:02 +01:00
parent 3860c2fbe3
commit ed8da2cd25
1 changed files with 3 additions and 1 deletions
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4
src/platform/wifi/wifi-utils-wext.c
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@ -476,6 +476,7 @@ wifi_wext_set_mesh_ssid (WifiData *data, const guint8 *ssid, gsize len)
struct iwreq wrq;
char buf[IW_ESSID_MAX_SIZE + 1];
char ifname[IFNAMSIZ];
int errsv;
if (!get_ifname (data->ifindex, ifname, "set-mesh-ssid"))
return FALSE;
@ -492,11 +493,12 @@ wifi_wext_set_mesh_ssid (WifiData *data, const guint8 *ssid, gsize len)
return TRUE;
if (errno != ENODEV) {
errsv = errno;
nm_log_err (LOGD_PLATFORM | LOGD_WIFI | LOGD_OLPC,
"(%s): error setting SSID to '%s': %s",
ifname,
ssid ? nm_utils_escape_ssid (ssid, len) : "(null)",
strerror (errno));
strerror (errsv));
}
return FALSE;