From: J. Bruce Fields <bfields@redhat.com>
Date: Sat, 15 Jan 2011 01:00:02 +0000 (-0500)
Subject: nfsd: don't leak dentry count on mnt_want_write failure
X-Git-Tag: upstream/snapshot3+hdmi~11454^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=541ce98c10111dae7604543dda6c6f7e7a6015d8;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

nfsd: don't leak dentry count on mnt_want_write failure

The exit cleanup isn't quite right here.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
---

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 641117f..fda3be2 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1812,22 +1812,22 @@ nfsd_unlink(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
 
 	host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
 	if (host_err)
-		goto out_nfserr;
+		goto out_put;
 
 	host_err = nfsd_break_lease(rdentry->d_inode);
 	if (host_err)
-		goto out_put;
+		goto out_drop_write;
 	if (type != S_IFDIR)
 		host_err = vfs_unlink(dirp, rdentry);
 	else
 		host_err = vfs_rmdir(dirp, rdentry);
-out_put:
-	dput(rdentry);
-
 	if (!host_err)
 		host_err = commit_metadata(fhp);
-
+out_drop_write:
 	mnt_drop_write(fhp->fh_export->ex_path.mnt);
+out_put:
+	dput(rdentry);
+
 out_nfserr:
 	err = nfserrno(host_err);
 out: