linux-kernel - Re: [PATCH] avr32: Fix build failure conflicting types for 'sys

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Date:	Thu, 09 Dec 2010 08:54:04 +0100
From:	Hans-Christian Egtvedt <hans-christian.egtvedt@...el.com>
To:	Peter Huewe <peterhuewe@....de>
Cc:	"David S. Miller" <davem@...emloft.net>,
	David Howells <dhowells@...hat.com>,
	Al Viro <viro@...iv.linux.org.uk>, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org, stable@...nel.org
Subject: Re: [PATCH] avr32: Fix build failure conflicting types for
 'sys_execve'

On Thu, 2010-12-09 at 00:19 +0100, Peter Huewe wrote: 
> This patch fixes a build failure[1] for the avr32 architecture which seems
> to be introduced by commit d7627467b7a8
> "Make do_execve() take a const filename pointer"
> 
> The commit changes the definition in arch/avr32/kernel/process.c but
> forgot to change it here.
> 
> Signed-off-by: Peter Huewe <peterhuewe@....de>

Thanks for the heads-up.

> ---
> This build failure exists in linus' tree - added stable@...nel.org to the cc list
> 
> KernelVersion: linux-next-20101208
> References:
> [1] http://kisskb.ellerman.id.au/kisskb/buildresult/3607003/
> 
>  arch/avr32/include/asm/syscalls.h |    6 ++++--
>  1 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/avr32/include/asm/syscalls.h b/arch/avr32/include/asm/syscalls.h
> index ab608b7..1440368 100644
> --- a/arch/avr32/include/asm/syscalls.h
> +++ b/arch/avr32/include/asm/syscalls.h
> @@ -21,8 +21,10 @@ asmlinkage int sys_clone(unsigned long, unsigned long,
>  			 unsigned long, unsigned long,
>  			 struct pt_regs *);
>  asmlinkage int sys_vfork(struct pt_regs *);
> -asmlinkage int sys_execve(const char __user *, char __user *__user *,
> -			  char __user *__user *, struct pt_regs *);
> +asmlinkage int sys_execve(const char __user *ufilename,
> +			  const char __user *const __user *uargv,
> +			  const char __user *const __user *uenvp,
> +			  struct pt_regs *regs);

Actually, I think it would be just as good to move to using the
syscalls.h in asm-generic. Let me prepare a patch or two for that. I can
try to push it through my, now hopefully working, arch tree.

-- 
Hans-Christian Egtvedt

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