vfs: use ERR_CAST for err-ptr tossing in lookup_instantiate_filp

Replace unclear (struct dentry *) to (struct file *) typecast with ERR_CAST() macro.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/open.c b/fs/open.c
index b52cf01..739b751 100644 (file)
--- a/fs/open.c
+++ b/fs/open.c
@@ -793,7 +793,7 @@ out:
        return nd->intent.open.file;
 out_err:
        release_open_intent(nd);
-       nd->intent.open.file = (struct file *)dentry;
+       nd->intent.open.file = ERR_CAST(dentry);
        goto out;
 }
 EXPORT_SYMBOL_GPL(lookup_instantiate_filp);