[PATCH v5 net-next 2/2] net: tipc: replace align() with ALIGN in msg.c

From: menglong8 . dong
Date: Sat Jun 19 2021 - 04:41:37 EST


From: Menglong Dong <dong.menglong@xxxxxxxxxx>

The function align() which is defined in msg.c is redundant, replace it
with ALIGN() and introduce a BUF_ALIGN().

Signed-off-by: Menglong Dong <dong.menglong@xxxxxxxxxx>
Acked-by: Jon Maloy <jmaloy@xxxxxxxxxx>
---
net/tipc/msg.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 7053c22e393e..5c9fd4791c4b 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -41,6 +41,7 @@
#include "name_table.h"
#include "crypto.h"

+#define BUF_ALIGN(x) ALIGN(x, 4)
#define MAX_FORWARD_SIZE 1024
#ifdef CONFIG_TIPC_CRYPTO
#define BUF_HEADROOM ALIGN(((LL_MAX_HEADER + 48) + EHDR_MAX_SIZE), 16)
@@ -53,11 +54,6 @@
const int one_page_mtu = PAGE_SIZE - SKB_DATA_ALIGN(BUF_OVERHEAD) -
SKB_DATA_ALIGN(sizeof(struct skb_shared_info));

-static unsigned int align(unsigned int i)
-{
- return (i + 3) & ~3u;
-}
-
/**
* tipc_buf_acquire - creates a TIPC message buffer
* @size: message size (including TIPC header)
@@ -489,7 +485,7 @@ static bool tipc_msg_bundle(struct sk_buff *bskb, struct tipc_msg *msg,

msz = msg_size(msg);
bsz = msg_size(bmsg);
- offset = align(bsz);
+ offset = BUF_ALIGN(bsz);
pad = offset - bsz;

if (unlikely(skb_tailroom(bskb) < (pad + msz)))
@@ -546,7 +542,7 @@ bool tipc_msg_try_bundle(struct sk_buff *tskb, struct sk_buff **skb, u32 mss,

/* Make a new bundle of the two messages if possible */
tsz = msg_size(buf_msg(tskb));
- if (unlikely(mss < align(INT_H_SIZE + tsz) + msg_size(msg)))
+ if (unlikely(mss < BUF_ALIGN(INT_H_SIZE + tsz) + msg_size(msg)))
return true;
if (unlikely(pskb_expand_head(tskb, INT_H_SIZE, mss - tsz - INT_H_SIZE,
GFP_ATOMIC)))
@@ -605,7 +601,7 @@ bool tipc_msg_extract(struct sk_buff *skb, struct sk_buff **iskb, int *pos)
if (unlikely(!tipc_msg_validate(iskb)))
goto none;

- *pos += align(imsz);
+ *pos += BUF_ALIGN(imsz);
return true;
none:
kfree_skb(skb);
--
2.32.0