diff options
| author | Holger Schurig <hs4233@mail.mn-solutions.de> | 2009-09-11 10:13:55 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-09-14 14:36:04 -0400 |
| commit | 8862dc5f25153a3c565a097220ed3de14ed72dfd (patch) | |
| tree | fa2afcc9c6ae9bf6388aaab65ddc8dca41f089cf /net | |
| parent | a4e7b730f1c8c9179def7033a024183c58cf2538 (diff) | |
| download | lwn-8862dc5f25153a3c565a097220ed3de14ed72dfd.tar.gz lwn-8862dc5f25153a3c565a097220ed3de14ed72dfd.zip | |
cfg80211: minimal error handling for wext-compat freq scanning
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
| -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 6c20b6515ab0..e5f92ee758f4 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; |