diff options
Diffstat (limited to 'package/network/utils/iwinfo/src/iwinfo_nl80211.c')
| -rw-r--r-- | package/network/utils/iwinfo/src/iwinfo_nl80211.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/package/network/utils/iwinfo/src/iwinfo_nl80211.c b/package/network/utils/iwinfo/src/iwinfo_nl80211.c index 98200bf..33c6238 100644 --- a/package/network/utils/iwinfo/src/iwinfo_nl80211.c +++ b/package/network/utils/iwinfo/src/iwinfo_nl80211.c @@ -215,6 +215,9 @@ static struct nl80211_msg_conveyor * nl80211_msg(const char *ifname, int ifidx = -1, phyidx = -1; struct nl80211_msg_conveyor *cv; + if (ifname == NULL) + return NULL; + if (nl80211_init() < 0) return NULL; @@ -227,7 +230,8 @@ static struct nl80211_msg_conveyor * nl80211_msg(const char *ifname, else ifidx = if_nametoindex(ifname); - if ((ifidx < 0) && (phyidx < 0)) + /* Valid ifidx must be greater than 0 */ + if ((ifidx <= 0) && (phyidx < 0)) return NULL; cv = nl80211_new(nls->nl80211, cmd, flags); @@ -500,12 +504,15 @@ static char * nl80211_phy2ifname(const char *ifname) DIR *d; struct dirent *e; + /* Only accept phy name of the form phy%d or radio%d */ if (!ifname) return NULL; else if (!strncmp(ifname, "phy", 3)) phyidx = atoi(&ifname[3]); else if (!strncmp(ifname, "radio", 5)) phyidx = atoi(&ifname[5]); + else + return NULL; memset(nif, 0, sizeof(nif)); |