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>

diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index f01caec844634329b1204cb3d331724c18d1881f..40c76678289168ed0cbbe3e653f58485a56003eb 100644 (file)
--- 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] == '/')