qcacld-3.0: Fix the apps crash caused by tdls spinlock calls

Apps crash observed due to nested spin lock calls from
the soft irq context.
Change the tdls spin lock calls from qdf_spin_lock() to
qdf_spin_lock_bh(). This will avoid nested spin lock
calls.

Change-Id: I9c3d32f2385bec35ea7d9773ed4c36968a79a28b
CRs-Fixed: 1053041

core/hdd/src/wlan_hdd_tdls.c

@@ -5118,10 +5118,10 @@ static void wlan_hdd_tdls_ct_sampling_tx_rx(hdd_adapter_t *adapter,
 	uint8_t valid_mac_entries;
 	struct tdls_ct_mac_table ct_peer_mac_table[TDLS_CT_MAC_MAX_TABLE_SIZE];
 
-	qdf_spin_lock(&hdd_ctx->tdls_ct_spinlock);
+	qdf_spin_lock_bh(&hdd_ctx->tdls_ct_spinlock);
 
 	if (0 == tdls_ctx->valid_mac_entries) {
-		qdf_spin_unlock(&hdd_ctx->tdls_ct_spinlock);
+		qdf_spin_unlock_bh(&hdd_ctx->tdls_ct_spinlock);
 		return;
 	}
 
@@ -5135,7 +5135,7 @@ static void wlan_hdd_tdls_ct_sampling_tx_rx(hdd_adapter_t *adapter,
 
 	tdls_ctx->valid_mac_entries = 0;
 
-	qdf_spin_unlock(&hdd_ctx->tdls_ct_spinlock);
+	qdf_spin_unlock_bh(&hdd_ctx->tdls_ct_spinlock);
 
 	for (mac_cnt = 0; mac_cnt < valid_mac_entries; mac_cnt++) {
 		memcpy(mac, ct_peer_mac_table[mac_cnt].mac_address.bytes,
@@ -5187,7 +5187,7 @@ void wlan_hdd_tdls_update_rx_pkt_cnt(hdd_adapter_t *adapter,
 	hdd_ctx = WLAN_HDD_GET_CTX(adapter);
 	tdls_ctx = adapter->sessionCtx.station.pHddTdlsCtx;
 
-	qdf_spin_lock(&hdd_ctx->tdls_ct_spinlock);
+	qdf_spin_lock_bh(&hdd_ctx->tdls_ct_spinlock);
 	valid_mac_entries = tdls_ctx->valid_mac_entries;
 
 	for (mac_cnt = 0; mac_cnt < valid_mac_entries; mac_cnt++) {
@@ -5209,7 +5209,7 @@ void wlan_hdd_tdls_update_rx_pkt_cnt(hdd_adapter_t *adapter,
 	}
 
 rx_cnt_return:
-	qdf_spin_unlock(&hdd_ctx->tdls_ct_spinlock);
+	qdf_spin_unlock_bh(&hdd_ctx->tdls_ct_spinlock);
 	return;
 }
 
@@ -5250,7 +5250,7 @@ void wlan_hdd_tdls_update_tx_pkt_cnt(hdd_adapter_t *adapter,
 	hdd_ctx = WLAN_HDD_GET_CTX(adapter);
 	tdls_ctx = adapter->sessionCtx.station.pHddTdlsCtx;
 
-	qdf_spin_lock(&hdd_ctx->tdls_ct_spinlock);
+	qdf_spin_lock_bh(&hdd_ctx->tdls_ct_spinlock);
 	valid_mac_entries = tdls_ctx->valid_mac_entries;
 
 	for (mac_cnt = 0; mac_cnt < valid_mac_entries; mac_cnt++) {
@@ -5272,7 +5272,7 @@ void wlan_hdd_tdls_update_tx_pkt_cnt(hdd_adapter_t *adapter,
 	}
 
 tx_cnt_return:
-	qdf_spin_unlock(&hdd_ctx->tdls_ct_spinlock);
+	qdf_spin_unlock_bh(&hdd_ctx->tdls_ct_spinlock);
 	return;
 }