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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-06-26 12:19:55 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-06-28 17:20:45 -0400
commitb760b3131d962dd35925fb65956afe621fa65ec4 (patch)
treeff02bbf734874be24a735ee216ca8f0354d23d8c /net/sunrpc/xdr.c
parent1aecca3e83e5da981ade916920d3d2a6b9644cc3 (diff)
downloadlinux-b760b3131d962dd35925fb65956afe621fa65ec4.tar.bz2
SUNRPC: Remove open coded stream position calculation in xdr_read_pages
Use xdr_stream_pos() instead. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/xdr.c')
-rw-r--r--net/sunrpc/xdr.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 95980a5cd0a8..faf6753c593d 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -764,6 +764,7 @@ unsigned int xdr_read_pages(struct xdr_stream *xdr, unsigned int len)
struct kvec *iov;
ssize_t shift;
unsigned int nwords = XDR_QUADLEN(len);
+ unsigned int cur = xdr_stream_pos(xdr);
unsigned int end;
int padding;
@@ -775,9 +776,8 @@ unsigned int xdr_read_pages(struct xdr_stream *xdr, unsigned int len)
}
/* Realign pages to current pointer position */
iov = buf->head;
- shift = iov->iov_len + (char *)iov->iov_base - (char *)xdr->p;
- if (shift > 0)
- xdr_shrink_bufhead(buf, shift);
+ if (iov->iov_len > cur)
+ xdr_shrink_bufhead(buf, iov->iov_len - cur);
/* Truncate page data and move it into the tail */
if (buf->page_len > len)