linux-kernel - Re: [PATCH] lpfc: use %zd format string for size

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Message-ID: <20161017133934.wr5ukie7p5t7qvwa@linux-x5ow.site>
Date:   Mon, 17 Oct 2016 15:39:35 +0200
From:   Johannes Thumshirn <jthumshirn@...e.de>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     James Smart <james.smart@...gotech.com>,
        Dick Kennedy <dick.kennedy@...gotech.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Hannes Reinecke <hare@...e.com>,
        James Bottomley <JBottomley@...n.com>,
        Sebastian Herbszt <herbszt@....de>, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] lpfc: use %zd format string for size_t

On Mon, Oct 17, 2016 at 02:35:46PM +0200, Arnd Bergmann wrote:
> A recent bugfix introduced a harmless warning in the lpfc driver:
> 
> drivers/scsi/lpfc/lpfc_init.c: In function 'lpfc_write_firmware':
> drivers/scsi/lpfc/lpfc_logmsg.h:56:45: error: format '%ld' expects argument of type 'long int', but argument 9 has type 'size_t {aka const unsigned int}' [-Werror=format=]
> 
> 'size_t' is always the same width as 'long' in the kernel, but the compiler
> doesn't know that. The %z modifier is what the standard expects to be
> used here, and this shuts up the warning.
> 
> Fixes: 679053c651fb ("scsi: lpfc: Fix fw download on SLI-4 FC adapters")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---

Looks good,
Reviewed-by: Johannes Thumshirn <jthumshirn@...e.de>

-- 
Johannes Thumshirn                                          Storage
jthumshirn@...e.de                                +49 911 74053 689
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