[IrDA]: Incorrect TTP header reservation

We must reserve SAR + MAX_HEADER bytes for IrLMP to fit in.

Patch from Jeet Chaudhuri <jeetlinux@yahoo.co.in>

Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/irda/irttp.c

diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 252f110..03504f3 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -1100,7 +1100,7 @@
 			return -ENOMEM;
 
 		/* Reserve space for MUX_CONTROL and LAP header */
-		skb_reserve(tx_skb, TTP_MAX_HEADER);
+		skb_reserve(tx_skb, TTP_MAX_HEADER + TTP_SAR_HEADER);
 	} else {
 		tx_skb = userdata;
 		/*
@@ -1349,7 +1349,7 @@
 			return -ENOMEM;
 
 		/* Reserve space for MUX_CONTROL and LAP header */
-		skb_reserve(tx_skb, TTP_MAX_HEADER);
+		skb_reserve(tx_skb, TTP_MAX_HEADER + TTP_SAR_HEADER);
 	} else {
 		tx_skb = userdata;
 		/*