iwlwifi: pcie: prevent skbs shadowing in iwl_trans_pcie_reclaim

The patch below introduced a variable shadowing. Fix that.

Fixes: 3955525d5d17 ("iwlwifi: pcie: buffer packets to avoid overflowing Tx queues")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
index 837a7d536874a8ff9651ed10099384411a8bf084..16ad820ca8248717a26a050d165e1011aec301ca 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
@@ -1062,10 +1062,10 @@ void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
 
        if (iwl_queue_space(&txq->q) > txq->q.low_mark &&
            test_bit(txq_id, trans_pcie->queue_stopped)) {
-               struct sk_buff_head skbs;
+               struct sk_buff_head overflow_skbs;
 
-               __skb_queue_head_init(&skbs);
-               skb_queue_splice_init(&txq->overflow_q, &skbs);
+               __skb_queue_head_init(&overflow_skbs);
+               skb_queue_splice_init(&txq->overflow_q, &overflow_skbs);
 
                /*
                 * This is tricky: we are in reclaim path which is non
@@ -1076,8 +1076,8 @@ void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
                 */
                spin_unlock_bh(&txq->lock);
 
-               while (!skb_queue_empty(&skbs)) {
-                       struct sk_buff *skb = __skb_dequeue(&skbs);
+               while (!skb_queue_empty(&overflow_skbs)) {
+                       struct sk_buff *skb = __skb_dequeue(&overflow_skbs);
                        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
                        u8 dev_cmd_idx = IWL_TRANS_FIRST_DRIVER_DATA + 1;
                        struct iwl_device_cmd *dev_cmd =