diff options
| author | Jo-Philipp Wich <jow@openwrt.org> | 2011-07-22 14:49:52 +0000 |
|---|---|---|
| committer | Jo-Philipp Wich <jow@openwrt.org> | 2011-07-22 14:49:52 +0000 |
| commit | 7dc764e861dd704ce554f2f5275761e348b07c3c (patch) | |
| tree | 5aed55cd3a5e854ed30c9778716b199ce7c8bb65 | |
| parent | ff892ab41a3bce6b8043c2597d537cd803f517f9 (diff) | |
libiwinfo: fix segfaults in nl80211 hwmodelist and freqlist operations if called on a not existing phy
| -rw-r--r-- | contrib/package/iwinfo/src/iwinfo_nl80211.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/contrib/package/iwinfo/src/iwinfo_nl80211.c b/contrib/package/iwinfo/src/iwinfo_nl80211.c index 5828ee98d..468ad9d70 100644 --- a/contrib/package/iwinfo/src/iwinfo_nl80211.c +++ b/contrib/package/iwinfo/src/iwinfo_nl80211.c @@ -1438,7 +1438,7 @@ int nl80211_get_freqlist(const char *ifname, char *buf, int *len) if( req ) { res = nl80211_send(req); - if( res ) + if( res && res->attr[NL80211_ATTR_WIPHY_BANDS] ) { nla_for_each_nested(band, res->attr[NL80211_ATTR_WIPHY_BANDS], bands_remain) @@ -1537,7 +1537,7 @@ int nl80211_get_hwmodelist(const char *ifname, int *buf) if( req ) { res = nl80211_send(req); - if( res ) + if( res && res->attr[NL80211_ATTR_WIPHY_BANDS] ) { nla_for_each_nested(band, res->attr[NL80211_ATTR_WIPHY_BANDS], bands_remain) |