When the rate-control indexing is incorrectly set up, mac80211 issues
a warning and returns NULL from the call to ieee80211_get_tx_rate().
When this happens, avoid a NULL pointer dereference.
Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
---
Index: wireless-testing-new/drivers/net/wireless/rtlwifi/base.c
===================================================================
--- wireless-testing-new.orig/drivers/net/wireless/rtlwifi/base.c
+++ wireless-testing-new/drivers/net/wireless/rtlwifi/base.c
@@ -838,7 +838,10 @@ void rtl_get_tcb_desc(struct ieee80211_h
__le16 fc = hdr->frame_control;
txrate = ieee80211_get_tx_rate(hw, info);
- tcb_desc->hw_rate = txrate->hw_value;
+ if (txrate)
+ tcb_desc->hw_rate = txrate->hw_value;
+ else
+ tcb_desc->hw_rate = 0;
if (ieee80211_is_data(fc)) {
/*
--
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