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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-28 23:55:20 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-28 23:55:20 -0800 |
commit | 35858adbfca13678af99fb31618ef4428d6dedb0 (patch) | |
tree | 3336feaa61324486945816cb52c347733e7c0821 /net/wireless/scan.c | |
parent | 197d4db752e67160d79fed09968c2140376a80a3 (diff) | |
parent | 4b70858ba8d4537daf782defebe5f2ff80ccef2b (diff) | |
download | op-kernel-dev-35858adbfca13678af99fb31618ef4428d6dedb0.zip op-kernel-dev-35858adbfca13678af99fb31618ef4428d6dedb0.tar.gz |
Merge branch 'next' into for-linus
Diffstat (limited to 'net/wireless/scan.c')
-rw-r--r-- | net/wireless/scan.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 12dfa62..0c2cbbe 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -601,7 +601,7 @@ int cfg80211_wext_siwscan(struct net_device *dev, struct cfg80211_registered_device *rdev; struct wiphy *wiphy; struct iw_scan_req *wreq = NULL; - struct cfg80211_scan_request *creq; + struct cfg80211_scan_request *creq = NULL; int i, err, n_channels = 0; enum ieee80211_band band; @@ -694,8 +694,10 @@ int cfg80211_wext_siwscan(struct net_device *dev, /* translate "Scan for SSID" request */ if (wreq) { if (wrqu->data.flags & IW_SCAN_THIS_ESSID) { - if (wreq->essid_len > IEEE80211_MAX_SSID_LEN) - return -EINVAL; + if (wreq->essid_len > IEEE80211_MAX_SSID_LEN) { + err = -EINVAL; + goto out; + } memcpy(creq->ssids[0].ssid, wreq->essid, wreq->essid_len); creq->ssids[0].ssid_len = wreq->essid_len; } @@ -707,12 +709,15 @@ int cfg80211_wext_siwscan(struct net_device *dev, err = rdev->ops->scan(wiphy, dev, creq); if (err) { rdev->scan_req = NULL; - kfree(creq); + /* creq will be freed below */ } else { nl80211_send_scan_start(rdev, dev); + /* creq now owned by driver */ + creq = NULL; dev_hold(dev); } out: + kfree(creq); cfg80211_unlock_rdev(rdev); return err; } |