[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>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 252f11012566..03504f3e4990 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -1100,7 +1100,7 @@ int irttp_connect_request(struct tsap_cb *self, __u8 dtsap_sel,
                         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 @@ int irttp_connect_response(struct tsap_cb *self, __u32 max_sdu_size,
                         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;
                 /*