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Date:   Wed, 1 May 2019 02:03:38 +0100
From:   Al Viro <viro@zeniv.linux.org.uk>
To:     Murphy Zhou <jencce.kernel@gmail.com>
Cc:     linux-fsdevel@vger.kernel.org, David Howells <dhowells@redhat.com>
Subject: Re: [PATCH resend] vfs: return EINVAL instead of ENOENT when missing
 source
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On Wed, May 01, 2019 at 08:35:35AM +0800, Murphy Zhou wrote:
> From: Xiong Zhou <jencce.kernel@gmail.com>
> 
> mount(2) with a NULL source device would return ENOENT instead of EINVAL
> after this commit:

See ee948837d7fa in vfs.git#fixes...