patch-2.4.21 linux-2.4.21/drivers/net/bagetlance.c

• Lines: 33
• Date: 2003-06-13 07:51:34.000000000 -0700
• Orig file: linux-2.4.20/drivers/net/bagetlance.c
• Orig date: 2001-10-16 21:56:29.000000000 -0700

diff -urN linux-2.4.20/drivers/net/bagetlance.c linux-2.4.21/drivers/net/bagetlance.c
@@ -835,6 +835,19 @@
 	struct lance_tx_head *head;
 	unsigned long flags;
 
+	/* The old LANCE chips doesn't automatically pad buffers to min. size. */
+	len = (ETH_ZLEN < skb->len) ? skb->len : ETH_ZLEN;
+	/* PAM-Card has a bug: Can only send packets with even number of bytes! */
+	if (lp->cardtype == PAM_CARD && (len & 1))
+		++len;
+
+	if (len > skb->len)
+	{
+		skb = skb_padto(skb, len);
+		if(skb == NULL)
+			return 0;
+	}	
+
 	/* Transmitter timeout, serious problems. */
 	if (dev->tbusy) {
 		int tickssofar = jiffies - dev->trans_start;
@@ -921,12 +934,6 @@
 	 * last.
 	 */
 
-	/* The old LANCE chips doesn't automatically pad buffers to min. size. */
-	len = (ETH_ZLEN < skb->len) ? skb->len : ETH_ZLEN;
-	/* PAM-Card has a bug: Can only send packets with even number of bytes! */
-	if (lp->cardtype == PAM_CARD && (len & 1))
-		++len;
-
 	head->length = -len;
 	head->misc = 0;
 	lp->memcpy_f( PKTBUF_ADDR(head), (void *)skb->data, skb->len );