diff options
| author | Jérôme Pouiller <jerome.pouiller@silabs.com> | 2019-12-17 16:14:37 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-18 15:54:57 +0100 |
| commit | 8608ecdba5ce98031237add7727f8b9df457e381 (patch) | |
| tree | f51958effc472f0c27974f092ddf70d1373b269f | |
| parent | d1fd97b4d843360863a7a7dcf3c7ea1b46e9f863 (diff) | |
staging: wfx: detect race condition in WEP authentication
Current code has a special case to handle association with WEP. Before
to rework the tx data handling, let's try to detect any possible misuse
of this code.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20191217161318.31402-9-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/wfx/queue.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/staging/wfx/queue.c b/drivers/staging/wfx/queue.c index c7ee90888f69..680fed31cefb 100644 --- a/drivers/staging/wfx/queue.c +++ b/drivers/staging/wfx/queue.c @@ -422,6 +422,7 @@ static bool hif_handle_tx_data(struct wfx_vif *wvif, struct sk_buff *skb, break; case do_wep: wfx_tx_lock(wvif->wdev); + WARN_ON(wvif->wep_pending_skb); wvif->wep_default_key_id = tx_priv->hw_key->keyidx; wvif->wep_pending_skb = skb; if (!schedule_work(&wvif->wep_key_work)) |