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From: Joel Granados <j.granados@samsung.com>
To: Sabrina Dubroca <sd@queasysnail.net>
Cc: "David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Alexander Aring <alex.aring@gmail.com>,
	Stefan Schmidt <stefan@datenfreihafen.org>,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	David Ahern <dsahern@kernel.org>,
	Steffen Klassert <steffen.klassert@secunet.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Matthieu Baerts <matttbe@kernel.org>,
	Mat Martineau <martineau@kernel.org>,
	Geliang Tang <geliang@kernel.org>,
	Remi Denis-Courmont <courmisch@gmail.com>,
	Allison Henderson <allison.henderson@oracle.com>,
	David Howells <dhowells@redhat.com>,
	Marc Dionne <marc.dionne@auristor.com>,
	Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>,
	Xin Long <lucien.xin@gmail.com>,
	Wenjia Zhang <wenjia@linux.ibm.com>,
	Jan Karcher <jaka@linux.ibm.com>,
	"D. Wythe" <alibuda@linux.alibaba.com>,
	Tony Lu <tonylu@linux.alibaba.com>,
	Wen Gu <guwen@linux.alibaba.com>,
	Trond Myklebust <trond.myklebust@hammerspace.com>,
	Anna Schumaker <anna@kernel.org>,
	Chuck Lever <chuck.lever@oracle.com>,
	Jeff Layton <jlayton@kernel.org>, Neil Brown <neilb@suse.de>,
	Olga Kornievskaia <kolga@netapp.com>,
	Dai Ngo <Dai.Ngo@oracle.com>, Tom Talpey <tom@talpey.com>,
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	Martin Schiller <ms@dev.tdt.de>,
	Pablo Neira Ayuso <pablo@netfilter.org>,
	Jozsef Kadlecsik <kadlec@netfilter.org>,
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	Nikolay Aleksandrov <razor@blackwall.org>,
	Simon Horman <horms@verge.net.au>, Julian Anastasov <ja@ssi.bg>,
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	Luis Chamberlain <mcgrof@kernel.org>,
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Subject: Re: [PATCH v5 1/8] net: Remove the now superfluous sentinel elements from ctl_table array
Date: Tue, 30 Apr 2024 14:41:16 +0200	[thread overview]
Message-ID: <20240430124116.vcgeggkcwtbbvibm@joelS2.panther.com> (raw)
In-Reply-To: <Zi-zbrq43dnlsQBY@hog>

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On Mon, Apr 29, 2024 at 04:49:18PM +0200, Sabrina Dubroca wrote:
> 2024-04-29, 14:33:15 +0200, Joel Granados wrote:
> > On Mon, Apr 29, 2024 at 10:53:47AM +0200, Sabrina Dubroca wrote:
> > > 2024-04-26, 12:46:53 +0200, Joel Granados via B4 Relay wrote:
...
> > > >  {
> > > > +	size_t table_size = ARRAY_SIZE(mpls_table);
> > > 
> > > This table still has a {} as its final element. It should be gone too?
> > Now, how did that get away?  I'll run my coccinelle scripts once more to
> > make sure that I don't have more of these hiding in the shadows.
> 
> I didn't spot any other with a dumb
> 
>     sed -n '<line>,^};/p' <file>

I used a coccinelle script:
  * ran it with `make coccicheck MODE=patch SPFLAGS="--in-place --debug" COCCI=script.cocci`
  * script:
    ```
    virtual patch

    @r1@
    identifier ctl_table_name;
    @@

    static struct ctl_table ctl_table_name[] = {
    ...
    -, {}
    };
    ```

and a gawk script
  * ran it with `for f in $(git grep -l "struct ctl_table") ; do script $f ; done`
  * script:
    ```
    #!/usr/bin/gawk -f

    BEGINFILE {
      RS=","
      has_struct = 0
    }

    /(static )?(const )?struct ctl_table/ {
      has_struct = 1
    }

    has_struct && /^(\n)?[\t ]*{(\n)*[\t ]*}/ {
      print "Filename : " FILENAME ", Record Number : " FNR
    }
    ```

At this point the coccinelle script gives me too many false positives
but the gawk is spot on. Thx for the sed one. Will make a note of it.

Best


-- 

Joel Granados

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  reply	other threads:[~2024-04-30 12:41 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-26 10:46 [PATCH v5 0/8] sysctl: Remove sentinel elements from networking Joel Granados via B4 Relay
2024-04-26 10:46 ` [PATCH v5 1/8] net: Remove the now superfluous sentinel elements from ctl_table array Joel Granados via B4 Relay
2024-04-29  8:53   ` Sabrina Dubroca
2024-04-29 12:33     ` Joel Granados
2024-04-29 14:49       ` Sabrina Dubroca
2024-04-30 12:41         ` Joel Granados [this message]
2024-04-26 10:46 ` [PATCH v5 2/8] net: ipv{6,4}: " Joel Granados via B4 Relay
2024-04-26 10:46 ` [PATCH v5 3/8] net: rds: " Joel Granados via B4 Relay
2024-04-26 10:46 ` [PATCH v5 4/8] net: sunrpc: " Joel Granados via B4 Relay
2024-04-26 12:26   ` Jeffrey Layton
2024-04-26 12:58   ` Chuck Lever
2024-04-26 10:46 ` [PATCH v5 5/8] net: Remove ctl_table sentinel elements from several networking subsystems Joel Granados via B4 Relay
2024-04-26 15:13   ` Sabrina Dubroca
2024-04-29  9:10     ` Joel Granados
2024-04-26 10:46 ` [PATCH v5 6/8] netfilter: Remove the now superfluous sentinel elements from ctl_table array Joel Granados via B4 Relay
2024-04-26 12:09   ` Julian Anastasov
2024-04-29  9:32     ` Joel Granados
2024-04-26 10:46 ` [PATCH v5 7/8] appletalk: " Joel Granados via B4 Relay
2024-04-26 10:47 ` [PATCH v5 8/8] ax.25: x.25: " Joel Granados via B4 Relay
2024-04-27  8:14   ` Sabrina Dubroca
2024-04-29 10:05     ` Joel Granados

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