diff options
| -rw-r--r-- | net/wireless/scan.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 6c20b6515ab..e5f92ee758f 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -675,6 +675,11 @@ int cfg80211_wext_siwscan(struct net_device *dev, wext_freq_not_found: ; } } + /* No channels found? */ + if (!i) { + err = -EINVAL; + goto out; + } /* Set real number of channels specified in creq->channels[] */ creq->n_channels = i; |