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authorSamuel Ortiz <samuel@sortiz.org>2006-09-28 07:06:44 +0400
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-29 05:02:48 +0400
commit1b0fee7d68f234be6b270cda51d9fcb71bebd780 (patch)
tree11e734d80ebaf2f0a053f912bfc59068c33ef4aa /net/irda/irttp.c
parent778e6398d32590eaf2333706318cbcd04dbe50b7 (diff)
downloadlinux-1b0fee7d68f234be6b270cda51d9fcb71bebd780.tar.xz
[IrDA]: Memory allocations cleanups
This patch replaces the bunch of arbitrary 64 and 128 bytes alloc_skb() calls with more accurate allocation sizes. Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/irda/irttp.c')
-rw-r--r--net/irda/irttp.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 42acf1cde737..3c2e70b77df1 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -804,12 +804,12 @@ static inline void irttp_give_credit(struct tsap_cb *self)
self->send_credit, self->avail_credit, self->remote_credit);
/* Give credit to peer */
- tx_skb = alloc_skb(64, GFP_ATOMIC);
+ tx_skb = alloc_skb(TTP_MAX_HEADER, GFP_ATOMIC);
if (!tx_skb)
return;
/* Reserve space for LMP, and LAP header */
- skb_reserve(tx_skb, self->max_header_size);
+ skb_reserve(tx_skb, LMP_MAX_HEADER);
/*
* Since we can transmit and receive frames concurrently,
@@ -1093,7 +1093,8 @@ int irttp_connect_request(struct tsap_cb *self, __u8 dtsap_sel,
/* Any userdata supplied? */
if (userdata == NULL) {
- tx_skb = alloc_skb(64, GFP_ATOMIC);
+ tx_skb = alloc_skb(TTP_MAX_HEADER + TTP_SAR_HEADER,
+ GFP_ATOMIC);
if (!tx_skb)
return -ENOMEM;
@@ -1341,7 +1342,8 @@ int irttp_connect_response(struct tsap_cb *self, __u32 max_sdu_size,
/* Any userdata supplied? */
if (userdata == NULL) {
- tx_skb = alloc_skb(64, GFP_ATOMIC);
+ tx_skb = alloc_skb(TTP_MAX_HEADER + TTP_SAR_HEADER,
+ GFP_ATOMIC);
if (!tx_skb)
return -ENOMEM;
@@ -1540,14 +1542,14 @@ int irttp_disconnect_request(struct tsap_cb *self, struct sk_buff *userdata,
if (!userdata) {
struct sk_buff *tx_skb;
- tx_skb = alloc_skb(64, GFP_ATOMIC);
+ tx_skb = alloc_skb(LMP_MAX_HEADER, GFP_ATOMIC);
if (!tx_skb)
return -ENOMEM;
/*
* Reserve space for MUX and LAP header
*/
- skb_reserve(tx_skb, TTP_MAX_HEADER);
+ skb_reserve(tx_skb, LMP_MAX_HEADER);
userdata = tx_skb;
}