autofs4 - fix d_manage() return on rcu-walk

The daemon never needs to block and, in the rcu-walk case an error
return isn't used, so always return zero.

Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index 3a93d35..ebbfa0c 100644 (file)
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -444,6 +444,8 @@ int autofs4_d_manage(struct dentry *dentry, bool rcu_walk)
 
        /* The daemon never waits. */
        if (autofs4_oz_mode(sbi)) {
+               if (rcu_walk)
+                       return 0;
                if (!d_mountpoint(dentry))
                        return -EISDIR;
                return 0;