diff options
| -rw-r--r-- | iwinfo_nl80211.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/iwinfo_nl80211.c b/iwinfo_nl80211.c index 7a67467..6b2a87a 100644 --- a/iwinfo_nl80211.c +++ b/iwinfo_nl80211.c @@ -826,31 +826,28 @@ static char * nl80211_phy2ifname(const char *ifname) memset(nif, 0, sizeof(nif)); - if (phyidx > -1) + if ((d = opendir("/sys/class/net")) != NULL) { - if ((d = opendir("/sys/class/net")) != NULL) + while ((e = readdir(d)) != NULL) { - while ((e = readdir(d)) != NULL) + snprintf(buffer, sizeof(buffer), + "/sys/class/net/%s/phy80211/index", e->d_name); + + if (nl80211_readint(buffer) == phyidx) { snprintf(buffer, sizeof(buffer), - "/sys/class/net/%s/phy80211/index", e->d_name); + "/sys/class/net/%s/ifindex", e->d_name); - if (nl80211_readint(buffer) == phyidx) + if ((cifidx = nl80211_readint(buffer)) >= 0 && + ((ifidx < 0) || (cifidx < ifidx))) { - snprintf(buffer, sizeof(buffer), - "/sys/class/net/%s/ifindex", e->d_name); - - if ((cifidx = nl80211_readint(buffer)) >= 0 && - ((ifidx < 0) || (cifidx < ifidx))) - { - ifidx = cifidx; - strncpy(nif, e->d_name, sizeof(nif) - 1); - } + ifidx = cifidx; + strncpy(nif, e->d_name, sizeof(nif) - 1); } } - - closedir(d); } + + closedir(d); } return nif[0] ? nif : NULL; |