From: Victor Goldenshtein <victorg@xxxxxx>
wlvif could be passed as NULL from the wlcore_tx_work_locked()
to the wl1271_prepare_tx_frame() and to wl1271_skb_queue_head()
functions. This may lead to a Kernel panic, fix this by
validating that wlvif != NULL.
Signed-off-by: Victor Goldenshtein <victorg@xxxxxx>
Signed-off-by: Eliad Peller <eliad@xxxxxxxxxx>
---
drivers/net/wireless/ti/wlcore/tx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c
index 3c02023..aa11a17 100644
--- a/drivers/net/wireless/ti/wlcore/tx.c
+++ b/drivers/net/wireless/ti/wlcore/tx.c
@@ -405,7 +405,7 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif,
is_wep = (cipher == WLAN_CIPHER_SUITE_WEP40) ||
(cipher == WLAN_CIPHER_SUITE_WEP104);
- if (WARN_ON(is_wep && wlvif->default_key != idx)) {
+ if (WARN_ON(is_wep && wlvif && wlvif->default_key != idx)) {
ret = wl1271_set_default_wep_key(wl, wlvif, idx);
if (ret < 0)
return ret;
--
1.8.3.rc1.35.g9b79519
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