From b280f49fb344a6f398b1020ccb5e5f9394c3c659 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Fri, 14 Nov 2008 16:01:53 +0100 Subject: [PATCH] irda: reserve irda_skb on sock_alloc_send_skb() skbs Those skbs are on the TX path, and need to have the irda_skb_cb space allocated as well. Signed-off-by: Samuel Ortiz --- net/irda/af_irda.c | 17 +++++++++++------ 1 files changed, 11 insertions(+), 6 deletions(-) diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 61def98..8b0ac27 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -59,6 +59,7 @@ #include #include +#include static int irda_create(struct net *net, struct socket *sock, int protocol); @@ -1288,12 +1289,14 @@ static int irda_sendmsg(struct kiocb *iocb, struct socket *sock, len = self->max_data_size; } - skb = sock_alloc_send_skb(sk, len + self->max_header_size + 16, + skb = sock_alloc_send_skb(sk, len + self->max_header_size + 16 + + sizeof(struct irda_skb_cb), msg->msg_flags & MSG_DONTWAIT, &err); if (!skb) goto out_err; - skb_reserve(skb, self->max_header_size + 16); + skb_reserve(skb, self->max_header_size + 16 + + sizeof(struct irda_skb_cb)); skb_reset_transport_header(skb); skb_put(skb, len); err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len); @@ -1534,12 +1537,13 @@ static int irda_sendmsg_dgram(struct kiocb *iocb, struct socket *sock, len = self->max_data_size; } - skb = sock_alloc_send_skb(sk, len + self->max_header_size, + skb = sock_alloc_send_skb(sk, len + self->max_header_size + + sizeof(struct irda_skb_cb), msg->msg_flags & MSG_DONTWAIT, &err); if (!skb) return -ENOBUFS; - skb_reserve(skb, self->max_header_size); + skb_reserve(skb, self->max_header_size + sizeof(struct irda_skb_cb)); skb_reset_transport_header(skb); IRDA_DEBUG(4, "%s(), appending user data\n", __func__); @@ -1629,12 +1633,13 @@ static int irda_sendmsg_ultra(struct kiocb *iocb, struct socket *sock, len = self->max_data_size; } - skb = sock_alloc_send_skb(sk, len + self->max_header_size, + skb = sock_alloc_send_skb(sk, len + self->max_header_size + + sizeof(struct irda_skb_cb), msg->msg_flags & MSG_DONTWAIT, &err); if (!skb) return -ENOBUFS; - skb_reserve(skb, self->max_header_size); + skb_reserve(skb, self->max_header_size + sizeof(struct irda_skb_cb)); skb_reset_transport_header(skb); IRDA_DEBUG(4, "%s(), appending user data\n", __func__); -- 1.5.3.8