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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-08-01 20:32:13 +0200
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-09-26 18:43:10 +0200
commit8a9a8b8332b92b13316cf49685b5dc5257cfe115 (patch)
treee3a0d5b5d0b9191e3a21f488dedd1f7aeb4dc968 /net
parentNFS4: avoid underflow when converting error to pointer. (diff)
downloadlinux-8a9a8b8332b92b13316cf49685b5dc5257cfe115.tar.xz
linux-8a9a8b8332b92b13316cf49685b5dc5257cfe115.zip
SUNRPC: Fix the return value of xdr_align_pages()
The callers of xdr_align_pages() expect it to return the number of bytes of actual XDR data remaining in the pages. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/xdr.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 0afba1b4b656..fbbd1c475b43 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -742,6 +742,8 @@ static unsigned int xdr_align_pages(struct xdr_stream *xdr, unsigned int len)
/* Truncate page data and move it into the tail */
if (buf->page_len > len)
xdr_shrink_pagelen(buf, buf->page_len - len);
+ else
+ len = buf->page_len;
xdr->nwords = XDR_QUADLEN(buf->len - cur);
return len;
}