fix autofs regression caused by follow_managed() changes
we need to reload ->d_flags after the call of ->d_manage() - the thing
might've been called with dentry still negative and have the damn thing
turned positive while we'd waited.
Fixes: d41efb522e90 "fs/namei.c: pull positivity check into follow_managed()"
Reported-by: Ian Kent <raven@themaw.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/namei.c b/fs/namei.c
index 204677c..d2720dc 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1232,6 +1232,7 @@
BUG_ON(!path->dentry->d_op);
BUG_ON(!path->dentry->d_op->d_manage);
ret = path->dentry->d_op->d_manage(path, false);
+ flags = smp_load_acquire(&path->dentry->d_flags);
if (ret < 0)
break;
}
