From d58808bcc7cb732a4f62af1105d46757d3167e57 Mon Sep 17 00:00:00 2001 From: Jeet Chaudhuri Date: Fri, 8 Dec 2006 01:32:22 +0200 Subject: [PATCH] [PATCH] IrDA: Incorrect TTP header reservation We must reserve SAR + MAX_HEADER bytes for IrLMP to fit in. This fixes an oops reported (and fixed) by Jeet Chaudhuri, when max_sdu_size is greater than 0. Signed-off-by: Samuel Ortiz Signed-off-by: David S. Miller Signed-off-by: Chris Wright --- net/irda/irttp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/irda/irttp.c b/net/irda/irttp.c index 3c2e70b77df1..da73e63ba5a6 100644 --- a/net/irda/irttp.c +++ b/net/irda/irttp.c @@ -1099,7 +1099,7 @@ 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; /* @@ -1348,7 +1348,7 @@ 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; /* -- 2.39.5