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From: Greg Ungerer <gerg@snapgear.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: <linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <arm@kernel.org>,
	Greg Ungerer <gerg@uclinux.org>,
	Russell King <rmk+kernel@arm.linux.org.uk>,
	Bryan Wu <bryan.wu@canonical.com>
Subject: Re: [PATCH 02/16] ARM: binfmt_flat: unused variable 'persistent'
Date: Mon, 8 Oct 2012 15:50:27 +1000	[thread overview]
Message-ID: <507269A3.9020009@snapgear.com> (raw)
In-Reply-To: <1349448930-23976-3-git-send-email-arnd@arndb.de>

On 06/10/12 00:55, Arnd Bergmann wrote:
> The flat_get_addr_from_rp() macro does not use the 'persistent' argument
> on ARM, causing a harmless compiler warning. A cast to void removes
> that warning.
>
> Without this patch, building at91x40_defconfig results in:
>
> fs/binfmt_flat.c: In function 'load_flat_file':
> fs/binfmt_flat.c:746:17: warning: unused variable 'persistent' [-Wunused-variable]
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Cc: Greg Ungerer <gerg@uclinux.org>
> Cc: Russell King <rmk+kernel@arm.linux.org.uk>
> Cc: Bryan Wu <bryan.wu@canonical.com>

Acked-by: Greg Ungerer <gerg@uclinux.org>

I can pick this one up to, and push to the arm-soc tree.

Regards
Greg


> ---
>   arch/arm/include/asm/flat.h |    2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h
> index 59426a4..e847d23 100644
> --- a/arch/arm/include/asm/flat.h
> +++ b/arch/arm/include/asm/flat.h
> @@ -8,7 +8,7 @@
>   #define	flat_argvp_envp_on_stack()		1
>   #define	flat_old_ram_flag(flags)		(flags)
>   #define	flat_reloc_valid(reloc, size)		((reloc) <= (size))
> -#define	flat_get_addr_from_rp(rp, relval, flags, persistent) get_unaligned(rp)
> +#define	flat_get_addr_from_rp(rp, relval, flags, persistent) ((void)persistent,get_unaligned(rp))
>   #define	flat_put_addr_at_rp(rp, val, relval)	put_unaligned(val,rp)
>   #define	flat_get_relocate_addr(rel)		(rel)
>   #define	flat_set_persistent(relval, p)		0
>


-- 
------------------------------------------------------------------------
Greg Ungerer  --  Principal Engineer        EMAIL:     gerg@snapgear.com
SnapGear Group, McAfee                      PHONE:       +61 7 3435 2888
8 Gardner Close                             FAX:         +61 7 3217 5323
Milton, QLD, 4064, Australia                WEB: http://www.SnapGear.com

  reply	other threads:[~2012-10-08  5:47 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1349448930-23976-1-git-send-email-arnd@arndb.de>
2012-10-05 14:55 ` [PATCH 01/16] ARM: warnings in arch/arm/include/asm/uaccess.h Arnd Bergmann
2012-10-08  5:49   ` Greg Ungerer
2012-10-09 12:08     ` Arnd Bergmann
2012-10-05 14:55 ` [PATCH 02/16] ARM: binfmt_flat: unused variable 'persistent' Arnd Bergmann
2012-10-08  5:50   ` Greg Ungerer [this message]
2012-10-05 14:55 ` [PATCH 03/16] SCSI: ARM: ncr5380/oak uses no interrupts Arnd Bergmann
2012-10-05 14:55 ` [PATCH 04/16] SCSI: ARM: make fas216_dumpinfo function conditional Arnd Bergmann
2012-10-05 14:55 ` [PATCH 05/16] vfs: bogus warnings in fs/namei.c Arnd Bergmann
2012-10-08 11:51   ` Jan Kara
2012-10-09 12:27     ` Arnd Bergmann
2012-10-09 13:07       ` Arnd Bergmann
2012-10-09 13:43         ` Jan Kara
2012-10-11  4:37         ` Al Viro
2012-10-11 13:20           ` [PATCH v2] " Arnd Bergmann
2012-10-05 14:55 ` [PATCH 06/16] mm/slob: use min_t() to compare ARCH_SLAB_MINALIGN Arnd Bergmann
2012-10-05 16:46   ` Christoph Lameter
2012-10-31  7:25     ` Pekka Enberg
2012-10-05 14:55 ` [PATCH 07/16] cgroup: fix warning when building without any subsys Arnd Bergmann
2012-10-05 15:50   ` Ben Blum
2012-10-06  2:14   ` Tejun Heo
2012-10-06  6:19     ` Arnd Bergmann
2012-10-05 14:55 ` [PATCH 08/16] ipvs: fix ip_vs_set_timeout debug messages Arnd Bergmann
2012-10-05 20:39   ` Julian Anastasov
2012-10-06  6:45     ` Arnd Bergmann
2012-10-06  8:09       ` Julian Anastasov
2012-10-06  9:54         ` Arnd Bergmann
2012-10-09  1:48           ` Simon Horman
2012-10-05 14:55 ` [PATCH 09/16] USB: EHCI: mark ehci_orion_conf_mbus_windows __devinit Arnd Bergmann
2012-10-05 18:05   ` Alan Stern
2012-10-05 14:55 ` [PATCH 10/16] clk: don't mark clkdev_add_table as init Arnd Bergmann
2012-10-05 14:55 ` [PATCH 11/16] pcmcia: sharpsl: don't discard sharpsl_pcmcia_ops Arnd Bergmann
2012-10-05 14:55 ` [PATCH 12/16] video: mark nuc900fb_map_video_memory as __devinit Arnd Bergmann
2012-10-05 14:55 ` [PATCH 13/16] ARM: be really quiet when building with 'make -s' Arnd Bergmann
2012-10-05 16:36   ` Nicolas Pitre
2012-10-05 14:55 ` [PATCH 14/16] ARM: pxa: armcore: fix PCI PIO warnings Arnd Bergmann
2012-10-05 15:32   ` Igor Grinberg
2012-10-05 14:55 ` [PATCH 15/16] spi/s3c64xx: use correct dma_transfer_direction type Arnd Bergmann
2012-10-05 14:55 ` [PATCH 16/16] ARM: pass -marm to gcc by default for both C and assembler Arnd Bergmann
2012-10-05 18:42   ` Nicolas Pitre

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