patch-2.4.22 linux-2.4.22/drivers/atm/idt77252.c

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diff -urN linux-2.4.21/drivers/atm/idt77252.c linux-2.4.22/drivers/atm/idt77252.c
@@ -1988,7 +1988,7 @@
 		return -EINVAL;
 	}
 
-	if (ATM_SKB(skb)->iovcnt != 0) {
+	if (skb_shinfo(skb)->nr_frags != 0) {
 		printk("%s: No scatter-gather yet.\n", card->name);
 		atomic_inc(&vcc->stats->tx_err);
 		dev_kfree_skb(skb);
@@ -2025,8 +2025,7 @@
 		atomic_inc(&vcc->stats->tx_err);
 		return -ENOMEM;
 	}
-	atomic_add(skb->truesize + ATM_PDU_OVHD, &vcc->sk->wmem_alloc);
-	ATM_SKB(skb)->iovcnt = 0;
+	atomic_add(skb->truesize, &vcc->sk->wmem_alloc);
 
 	memcpy(skb_put(skb, 52), cell, 52);
 
@@ -2405,8 +2404,10 @@
 static int
 idt77252_find_vcc(struct atm_vcc *vcc, short *vpi, int *vci)
 {
+	unsigned long flags;
 	struct atm_vcc *walk;
 
+	spin_lock_irqsave(&vcc->dev->lock, flags);
 	if (*vpi == ATM_VPI_ANY) {
 		*vpi = 0;
 		walk = vcc->dev->vccs;
@@ -2433,6 +2434,7 @@
 		}
 	}
 
+	spin_unlock_irqrestore(&vcc->dev->lock, flags);
 	return 0;
 }
 

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