From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Fri, 15 Sep 2006 20:03:45 +0000 (-0400)
Subject: NFS: Fix Oopsable condition in nfs_readpage_sync()
X-Git-Tag: v2.6.18~2^2~2
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a52411107e1ac8f5be6967936ec237f40a1c7e4;p=linux-2.6

NFS: Fix Oopsable condition in nfs_readpage_sync()

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 7a9ee00e0c..f0aff824a2 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -204,9 +204,11 @@ static int nfs_readpage_sync(struct nfs_open_context *ctx, struct inode *inode,
 	NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ATIME;
 	spin_unlock(&inode->i_lock);
 
-	nfs_readpage_truncate_uninitialised_page(rdata);
-	if (rdata->res.eof || rdata->res.count == rdata->args.count)
+	if (rdata->res.eof || rdata->res.count == rdata->args.count) {
 		SetPageUptodate(page);
+		if (rdata->res.eof && count != 0)
+			memclear_highpage_flush(page, rdata->args.pgbase, count);
+	}
 	result = 0;
 
 io_error: