[PATCH 2/4] sunrpc: clean up xdr_shrink_pagelen use of temporary pointer

[Benny Halevy <bhalevy@panasas.com>]

char *p is used only as a shorthand for tail->iov_base + len in a nested
block.  Move it there.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
---
 net/sunrpc/xdr.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 91f0de9..41be21f 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -395,7 +395,6 @@ xdr_shrink_pagelen(struct xdr_buf *buf, size_t len)
 {
 	struct kvec *tail;
 	size_t copy;
-	char *p;
 	unsigned int pglen = buf->page_len;
 
 	tail = buf->tail;
@@ -403,8 +402,8 @@ xdr_shrink_pagelen(struct xdr_buf *buf, size_t len)
 
 	/* Shift the tail first */
 	if (tail->iov_len != 0) {
-		p = (char *)tail->iov_base + len;
 		if (tail->iov_len > len) {
+			char *p = (char *)tail->iov_base + len;
 			copy = tail->iov_len - len;
 			memmove(p, tail->iov_base, copy);
 		}
-- 
1.7.2.1