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From: Joe Perches <joe@perches.com>
To: Matthias Maennich <maennich@google.com>
Cc: Vlad Yasevich <vyasevich@gmail.com>,
	Neil Horman <nhorman@tuxdriver.com>,
	Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	linux-sctp@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sctp: chunk.c: correct format string for size_t in printk
Date: Fri, 01 Mar 2019 14:22:30 -0800	[thread overview]
Message-ID: <9bcd6a2389a8ffce41768ddc8b224daedacf76b7.camel@perches.com> (raw)
In-Reply-To: <20190228113652.55552-1-maennich@google.com>

On Thu, 2019-02-28 at 11:36 +0000, Matthias Maennich wrote:
> According to Documentation/core-api/printk-formats.rst, size_t should be
> printed with %zu, rather than %Zu.
> 
> In addition, using %Zu triggers a warning on clang (-Wformat-extra-args):
[]
> diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
[]
> @@ -192,7 +192,7 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
>  	if (unlikely(!max_data)) {
>  		max_data = sctp_min_frag_point(sctp_sk(asoc->base.sk),
>  					       sctp_datachk_len(&asoc->stream));
> -		pr_warn_ratelimited("%s: asoc:%p frag_point is zero, forcing max_data to default minimum (%Zu)",
> +		pr_warn_ratelimited("%s: asoc:%p frag_point is zero, forcing max_data to default minimum (%zu)",
>  				    __func__, asoc, max_data);

trivia: the format is also missing a terminating '\n'


      parent reply	other threads:[~2019-03-01 22:22 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-28 11:36 [PATCH] sctp: chunk.c: correct format string for size_t in printk Matthias Maennich
2019-02-28 13:55 ` Marcelo Ricardo Leitner
2019-02-28 18:34 ` David Miller
2019-03-01 22:22 ` Joe Perches [this message]

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