iwlegacy: add missing null check

lq_sta has other null checks in this function. assuming they are correct, this additional null check should be added too. Incorporating suggestion from Gustavo Padovan. Signed-off-by: Greg Dietsche <[email protected]> Signed-off-by: John W. Linville <[email protected]>
opendata26 · Jun 3, 2011 · 0c34861 · 0c34861
1 parent 5c30c76
commit 0c34861
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/net/wireless/iwlegacy/iwl-4965-rs.c b/drivers/net/wireless/iwlegacy/iwl-4965-rs.c
@@ -2275,6 +2275,9 @@ iwl4965_rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta,
 	if (rate_control_send_low(sta, priv_sta, txrc))
 		return;
 
+	if (!lq_sta)
+		return;
+
 	rate_idx  = lq_sta->last_txrate_idx;
 
 	if (lq_sta->last_rate_n_flags & RATE_MCS_HT_MSK) {