patch-2.2.15 linux/drivers/isdn/pcbit/capi.c

• Lines: 16
• Date: Fri Apr 21 12:46:12 2000
• Orig file: v2.2.14/drivers/isdn/pcbit/capi.c
• Orig date: Thu Apr 2 01:21:03 1998

diff -u --new-file --recursive --exclude-from ../../exclude v2.2.14/drivers/isdn/pcbit/capi.c linux/drivers/isdn/pcbit/capi.c
@@ -304,7 +304,14 @@
 	
 	data_len = skb->len;
 
-	skb_push(skb, 10);
+	if(skb_headroom(skb) < 10)
+	{
+		printk(KERN_CRIT "No headspace (%u) on headroom %p for capi header\n", skb_headroom(skb), skb);
+	}
+	else
+	{	
+		skb_push(skb, 10);
+	}
 
 	*((u16 *) (skb->data)) = chan->callref;
 	skb->data[2] = chan->layer2link;