lkml.org 
[lkml]   [2019]   [Dec]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 08/55] staging: wfx: detect race condition in WEP authentication
Date
From: Jérôme Pouiller <jerome.pouiller@silabs.com>

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>
---
drivers/staging/wfx/queue.c | 1 +
1 file changed, 1 insertion(+)

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))
--
2.24.0
\
 
 \ /
  Last update: 2019-12-17 17:21    [W:0.208 / U:8.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site