One fail path in cfg80211_wext_siwscan omits to unlock rdev->mtx.
Fix that.
Trigerrable by "Scan for SSID" with long enough SSID (> 32).
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
net/wireless/scan.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 12dfa62..9c50c85 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -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;
}
--
1.6.5.7
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