linux-kernel - [PATCH v2 2/2] Documentation: sphinx: Don't parse socket() as identifier reference

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Message-Id: <20190812160708.32172-2-j.neuschaefer@gmx.net>
Date:   Mon, 12 Aug 2019 18:07:05 +0200
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     linux-doc@...r.kernel.org
Cc:     Jonathan Neuschäfer <j.neuschaefer@....net>,
        Jonathan Corbet <corbet@....net>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        xdp-newbies@...r.kernel.org, bpf@...r.kernel.org
Subject: [PATCH v2 2/2] Documentation: sphinx: Don't parse socket() as identifier reference

With the introduction of Documentation/sphinx/automarkup.py, socket() is
parsed as a reference to the in-kernel definition of socket. Sphinx then
decides that struct socket is a good match, which is usually not
intended, when the syscall is meant instead. This was observed in
Documentation/networking/af_xdp.rst.

Prevent socket() from being misinterpreted by adding it to the Skipfuncs
list in automarkup.py.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@....net>
---

v2:
- block socket() in Documentation/sphinx/automarkup.py, as suggested by
  Jonathan Corbet

v1:
- https://lore.kernel.org/lkml/20190810121738.19587-1-j.neuschaefer@gmx.net/
---
 Documentation/sphinx/automarkup.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/sphinx/automarkup.py b/Documentation/sphinx/automarkup.py
index a8798369e8f7..5b6119ff69f4 100644
--- a/Documentation/sphinx/automarkup.py
+++ b/Documentation/sphinx/automarkup.py
@@ -26,7 +26,8 @@ RE_function = re.compile(r'([\w_][\w\d_]+\(\))')
 # just don't even try with these names.
 #
 Skipfuncs = [ 'open', 'close', 'read', 'write', 'fcntl', 'mmap',
-              'select', 'poll', 'fork', 'execve', 'clone', 'ioctl']
+              'select', 'poll', 'fork', 'execve', 'clone', 'ioctl',
+              'socket' ]

 #
 # Find all occurrences of function() and try to replace them with
--
2.20.1