From: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Date: Wed, 23 Mar 2011 14:18:16 +0000 (+0530)
Subject: fs/9p: Fix revalidate to return correct value
X-Git-Tag: upstream/snapshot3+hdmi~10627^2~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f2eda2c6cc138710ae775490397657e8877774b6;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

fs/9p: Fix revalidate to return correct value

revalidate should return > 0 on success. Also return 0 on ENOENT
to force do_revalidate to return NULL dentry;

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---

diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c
index b6a3b9f..e022890 100644
--- a/fs/9p/vfs_dentry.c
+++ b/fs/9p/vfs_dentry.c
@@ -126,7 +126,9 @@ static int v9fs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd)
 			retval = v9fs_refresh_inode_dotl(fid, inode);
 		else
 			retval = v9fs_refresh_inode(fid, inode);
-		if (retval <= 0)
+		if (retval == -ENOENT)
+			return 0;
+		if (retval < 0)
 			return retval;
 	}
 out_valid: