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staging: wfx: detect race condition in WEP authentication

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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>
This commit is contained in:
Jérôme Pouiller 2019-12-17 16:14:37 +00:00 committed by Greg Kroah-Hartman
parent 2e12ab7f05
commit 1a6ae3edcd
1 changed files with 1 additions and 0 deletions
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drivers/staging/wfx/queue.c
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@ -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))