hostapd: terminate mainloop if interface setup fails, prevents blocking init or /sbin/wifi if an incorrect channel is configured

SVN-Revision: 24041
This commit is contained in:
Jo-Philipp Wich 2010-11-19 22:02:52 +00:00
parent 049e59a27b
commit 73f313d035

View file

@ -0,0 +1,81 @@
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -717,11 +717,8 @@ int hostapd_setup_interface_complete(str
size_t j;
u8 *prev_addr;
- if (err) {
- wpa_printf(MSG_ERROR, "Interface initialization failed");
- eloop_terminate();
- return -1;
- }
+ if (err)
+ goto error;
wpa_printf(MSG_DEBUG, "Completing interface initialization");
if (hapd->iconf->channel) {
@@ -737,7 +734,7 @@ int hostapd_setup_interface_complete(str
hapd->iconf->secondary_channel)) {
wpa_printf(MSG_ERROR, "Could not set channel for "
"kernel driver");
- return -1;
+ goto error;
}
}
@@ -748,7 +745,7 @@ int hostapd_setup_interface_complete(str
hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_WARNING,
"Failed to prepare rates table.");
- return -1;
+ goto error;
}
}
@@ -756,14 +753,14 @@ int hostapd_setup_interface_complete(str
hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) {
wpa_printf(MSG_ERROR, "Could not set RTS threshold for "
"kernel driver");
- return -1;
+ goto error;
}
if (hapd->iconf->fragm_threshold > -1 &&
hostapd_set_frag(hapd, hapd->iconf->fragm_threshold)) {
wpa_printf(MSG_ERROR, "Could not set fragmentation threshold "
"for kernel driver");
- return -1;
+ goto error;
}
prev_addr = hapd->own_addr;
@@ -773,7 +770,7 @@ int hostapd_setup_interface_complete(str
if (j)
os_memcpy(hapd->own_addr, prev_addr, ETH_ALEN);
if (hostapd_setup_bss(hapd, j == 0))
- return -1;
+ goto error;
if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0)
prev_addr = hapd->own_addr;
}
@@ -785,7 +782,7 @@ int hostapd_setup_interface_complete(str
if (hostapd_driver_commit(hapd) < 0) {
wpa_printf(MSG_ERROR, "%s: Failed to commit driver "
"configuration", __func__);
- return -1;
+ goto error;
}
wpa_printf(MSG_DEBUG, "%s: Setup of interface done.",
@@ -795,6 +792,11 @@ int hostapd_setup_interface_complete(str
iface->init_complete(iface);
return 0;
+
+error:
+ wpa_printf(MSG_ERROR, "Interface initialization failed");
+ eloop_terminate();
+ return -1;
}