diff options
Diffstat (limited to 'sbin/ifconfig/ifieee80211.c')
| -rw-r--r-- | sbin/ifconfig/ifieee80211.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sbin/ifconfig/ifieee80211.c b/sbin/ifconfig/ifieee80211.c index e81b6a3..c359353 100644 --- a/sbin/ifconfig/ifieee80211.c +++ b/sbin/ifconfig/ifieee80211.c @@ -666,9 +666,12 @@ set80211channel(const char *val, int d, int s, const struct afswtch *rafp) memset(&chan, 0, sizeof(chan)); if (!isanyarg(val)) { int v, flags; + char *ep; getchaninfo(s); - v = atoi(val); + v = strtol(val, &ep, 10); + if (val[0] == '\0' || ep[0] != '\0' || errno == ERANGE) + errx(1, "invalid channel number"); flags = getchannelflags(val, v); if (v > 255) { /* treat as frequency */ mapfreq(&chan, v, flags); |
