diff options
| author | Wei Yongjun <weiyongjun1@huawei.com> | 2018-12-22 10:34:54 +0000 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2019-01-10 13:35:02 +0200 |
| commit | 51c8d24101c79ffce3e79137e2cee5dfeb956dd7 (patch) | |
| tree | c57830d4ecefb07408a2dd76c19a1e2f95bd50df /drivers/net/wireless/st | |
| parent | 4d95f99c59b8b814bcf09ba86020d937ec7caa86 (diff) | |
| download | linux-51c8d24101c79ffce3e79137e2cee5dfeb956dd7.tar.bz2 | |
cw1200: fix missing unlock on error in cw1200_hw_scan()
Add the missing unlock before return from function cw1200_hw_scan()
in the error handling case.
Fixes: 4f68ef64cd7f ("cw1200: Fix concurrency use-after-free bugs in cw1200_hw_scan()")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/st')
| -rw-r--r-- | drivers/net/wireless/st/cw1200/scan.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/wireless/st/cw1200/scan.c b/drivers/net/wireless/st/cw1200/scan.c index 0a9eac93dd01..71e9b91cf15b 100644 --- a/drivers/net/wireless/st/cw1200/scan.c +++ b/drivers/net/wireless/st/cw1200/scan.c @@ -84,8 +84,11 @@ int cw1200_hw_scan(struct ieee80211_hw *hw, frame.skb = ieee80211_probereq_get(hw, priv->vif->addr, NULL, 0, req->ie_len); - if (!frame.skb) + if (!frame.skb) { + mutex_unlock(&priv->conf_mutex); + up(&priv->scan.lock); return -ENOMEM; + } if (req->ie_len) skb_put_data(frame.skb, req->ie, req->ie_len); |