NFS: Fix nfs_path() to always return a '/' at the beginning of the path

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mariux64 · Jun 23, 2009 · 0b75b35 · 0b75b35
1 parent c02d7ad
commit 0b75b35
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
@@ -65,6 +65,11 @@ char *nfs_path(const char *base,
 		dentry = dentry->d_parent;
 	}
 	spin_unlock(&dcache_lock);
+	if (*end != '/') {
+		if (--buflen < 0)
+			goto Elong;
+		*--end = '/';
+	}
 	namelen = strlen(base);
 	/* Strip off excess slashes in base string */
 	while (namelen > 0 && base[namelen - 1] == '/')