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authorHolger Schurig <hs4233@mail.mn-solutions.de>2009-09-11 04:13:55 -0400
committerJohn W. Linville <linville@tuxdriver.com>2009-09-14 14:36:04 -0400
commit8862dc5f25153a3c565a097220ed3de14ed72dfd (patch)
treefa2afcc9c6ae9bf6388aaab65ddc8dca41f089cf /net/wireless/scan.c
parenta4e7b730f1c8c9179def7033a024183c58cf2538 (diff)
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/wireless/scan.c')
-rw-r--r--net/wireless/scan.c5
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,
675 wext_freq_not_found: ; 675 wext_freq_not_found: ;
676 } 676 }
677 } 677 }
678 /* No channels found? */
679 if (!i) {
680 err = -EINVAL;
681 goto out;
682 }
678 683
679 /* Set real number of channels specified in creq->channels[] */ 684 /* Set real number of channels specified in creq->channels[] */
680 creq->n_channels = i; 685 creq->n_channels = i;