disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/isdn/hardware/mISDN/hfcpci.c
..
..
@@ -839,7 +839,7 @@
839
839
 		*z1t = cpu_to_le16(new_z1);	/* now send data */
840
840
 		if (bch->tx_idx < bch->tx_skb->len)
841
841
 			return;
842
-		dev_kfree_skb(bch->tx_skb);
842
+		dev_kfree_skb_any(bch->tx_skb);
843
843
 		if (get_next_bframe(bch))
844
844
 			goto next_t_frame;
845
845
 		return;
..
..
@@ -895,7 +895,7 @@
895
895
 	}
896
896
 	bz->za[new_f1].z1 = cpu_to_le16(new_z1);	/* for next buffer */
897
897
 	bz->f1 = new_f1;	/* next frame */
898
-	dev_kfree_skb(bch->tx_skb);
898
+	dev_kfree_skb_any(bch->tx_skb);
899
899
 	get_next_bframe(bch);
900
900
 }
901
901
 
..
..
@@ -1119,7 +1119,7 @@
1119
1119
 	if (bch->tx_skb && bch->tx_idx < bch->tx_skb->len)
1120
1120
 		hfcpci_fill_fifo(bch);
1121
1121
 	else {
1122
-		dev_kfree_skb(bch->tx_skb);
1122
+		dev_kfree_skb_any(bch->tx_skb);
1123
1123
 		if (get_next_bframe(bch))
1124
1124
 			hfcpci_fill_fifo(bch);
1125
1125
 	}
..
..
@@ -1617,16 +1617,19 @@
1617
1617
 		test_and_clear_bit(FLG_L2_ACTIVATED, &dch->Flags);
1618
1618
 		spin_lock_irqsave(&hc->lock, flags);
1619
1619
 		if (hc->hw.protocol == ISDN_P_NT_S0) {
1620
+			struct sk_buff_head free_queue;
1621
+
1622
+			__skb_queue_head_init(&free_queue);
1620
1623
 			/* prepare deactivation */
1621
1624
 			Write_hfc(hc, HFCPCI_STATES, 0x40);
1622
-			skb_queue_purge(&dch->squeue);
1625
+			skb_queue_splice_init(&dch->squeue, &free_queue);
1623
1626
 			if (dch->tx_skb) {
1624
-				dev_kfree_skb(dch->tx_skb);
1627
+				__skb_queue_tail(&free_queue, dch->tx_skb);
1625
1628
 				dch->tx_skb = NULL;
1626
1629
 			}
1627
1630
 			dch->tx_idx = 0;
1628
1631
 			if (dch->rx_skb) {
1629
-				dev_kfree_skb(dch->rx_skb);
1632
+				__skb_queue_tail(&free_queue, dch->rx_skb);
1630
1633
 				dch->rx_skb = NULL;
1631
1634
 			}
1632
1635
 			test_and_clear_bit(FLG_TX_BUSY, &dch->Flags);
..
..
@@ -1639,10 +1642,12 @@
1639
1642
 			hc->hw.mst_m &= ~HFCPCI_MASTER;
1640
1643
 			Write_hfc(hc, HFCPCI_MST_MODE, hc->hw.mst_m);
1641
1644
 			ret = 0;
1645
+			spin_unlock_irqrestore(&hc->lock, flags);
1646
+			__skb_queue_purge(&free_queue);
1642
1647
 		} else {
1643
1648
 			ret = l1_event(dch->l1, hh->prim);
1649
+			spin_unlock_irqrestore(&hc->lock, flags);
1644
1650
 		}
1645
-		spin_unlock_irqrestore(&hc->lock, flags);
1646
1651
 		break;
1647
1652
 	}
1648
1653
 	if (!ret)
..
..
@@ -2272,7 +2277,7 @@
2272
2277
 		return 0;
2273
2278
 
2274
2279
 	if (hc->hw.int_m2 & HFCPCI_IRQ_ENABLE) {
2275
-		spin_lock(&hc->lock);
2280
+		spin_lock_irq(&hc->lock);
2276
2281
 		bch = Sel_BCS(hc, hc->hw.bswapped ? 2 : 1);
2277
2282
 		if (bch && bch->state == ISDN_P_B_RAW) { /* B1 rx&tx */
2278
2283
 			main_rec_hfcpci(bch);
..
..
@@ -2283,7 +2288,7 @@
2283
2288
 			main_rec_hfcpci(bch);
2284
2289
 			tx_birq(bch);
2285
2290
 		}
2286
-		spin_unlock(&hc->lock);
2291
+		spin_unlock_irq(&hc->lock);
2287
2292
 	}
2288
2293
 	return 0;
2289
2294
 }