diff options
Diffstat (limited to 'iw_scan.c')
| -rw-r--r-- | iw_scan.c | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -143,7 +143,7 @@ static bool wait_for_scan_events(void) int scan_dump_handler(struct nl_msg *msg, void *arg) { struct scan_result *sr = (struct scan_result *)arg; - struct scan_entry *new = calloc(1, sizeof(*new)); + struct scan_entry *new; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); struct nlattr *tb[NL80211_ATTR_MAX + 1]; struct nlattr *bss[NL80211_BSS_MAX + 1]; @@ -209,9 +209,10 @@ int scan_dump_handler(struct nl_msg *msg, void *arg) if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) { uint8_t *ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]); int ielen = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]); - uint8_t len = ie[1]; - while (ielen >= 2 && ielen >= ie[1]) { + while (ielen >= 2 && ielen >= ie[1]) { + uint8_t len = ie[1]; + switch (ie[0]) { case 0: /* SSID */ if (len > 0 && len <= 32) @@ -227,7 +228,7 @@ int scan_dump_handler(struct nl_msg *msg, void *arg) } ielen -= ie[1] + 2; ie += ie[1] + 2; - } + } } /* Update stats */ @@ -429,6 +430,8 @@ void *do_scan(void *sr_ptr) if (if_set_up(conf_ifname()) < 0) err_sys("Can not bring up interface '%s'", conf_ifname()); + if (atexit(if_set_down_on_exit) < 0) + snprintf(sr->msg, sizeof(sr->msg), "Warning: unable to restore %s down state on exit", conf_ifname()); break; } /* fall through */ |