linux-kernel - Re: [patch net-next 2/2] devlink: fix trace format string

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Message-Id: <20160714.221624.1127895350526666434.davem@davemloft.net>
Date:	Thu, 14 Jul 2016 22:16:24 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jiri@...nulli.us
Cc:	netdev@...r.kernel.org, arnd@...db.de, rdunlap@...radead.org,
	linux-kernel@...r.kernel.org, idosch@...lanox.com,
	yotamg@...lanox.com, eladr@...lanox.com, nogahf@...lanox.com,
	ogerlitz@...lanox.com, ivecera@...hat.com, rostedt@...dmis.org,
	mingo@...hat.com, jolsa@...nel.org
Subject: Re: [patch net-next 2/2] devlink: fix trace format string

From: Jiri Pirko <jiri@...nulli.us>
Date: Thu, 14 Jul 2016 11:37:29 +0200

> From: Arnd Bergmann <arnd@...db.de>
> 
> Including devlink.h on ARM and probably other 32-bit architectures results in
> a harmless warning:
> 
> In file included from ../include/trace/define_trace.h:95:0,
>                  from ../include/trace/events/devlink.h:51,
>                  from ../net/core/devlink.c:30:
> include/trace/events/devlink.h: In function 'trace_raw_output_devlink_hwmsg':
> include/trace/events/devlink.h:42:12: error: format '%lu' expects argument of type 'long unsigned int', but argument 10 has type 'size_t {aka unsigned int}' [-Werror=format=]
> 
> The correct format string for 'size_t' is %zu, not %lu, this works on all
> architectures.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Fixes: e5224f0fe2ac ("devlink: add hardware messages tracing facility")
> Signed-off-by: Jiri Pirko <jiri@...lanox.com>

Applied.