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Re: [PATCH 3/3] arm/xen: Adjust one function call together with a variable assignment

From Stefano Stabellini <sstabellini@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH 3/3] arm/xen: Adjust one function call together with a variable assignment
Date 2017-06-05 19:20 +0200
Message-ID <tP3PA-5Lk-19@gated-at.bofh.it> (permalink)
References <tOKWB-1Yk-1@gated-at.bofh.it> <tOKWB-1Yk-3@gated-at.bofh.it>
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On Sun, 4 Jun 2017, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Sun, 4 Jun 2017 21:21:20 +0200
> 
> The script "checkpatch.pl" pointed information out like the following.
> 
> ERROR: do not use assignment in if condition
> 
> Thus fix the affected source code place.
> 
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>

Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>

> ---
>  arch/arm/xen/p2m.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c
> index f5f74ac637b9..e71eefa2e427 100644
> --- a/arch/arm/xen/p2m.c
> +++ b/arch/arm/xen/p2m.c
> @@ -153,7 +153,8 @@ bool __set_phys_to_machine_multi(unsigned long pfn,
>  	p2m_entry->mfn = mfn;
>  
>  	write_lock_irqsave(&p2m_lock, irqflags);
> -	if ((rc = xen_add_phys_to_mach_entry(p2m_entry)) < 0) {
> +	rc = xen_add_phys_to_mach_entry(p2m_entry);
> +	if (rc < 0) {
>  		write_unlock_irqrestore(&p2m_lock, irqflags);
>  		return false;
>  	}
> -- 
> 2.13.0
> 

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[PATCH 0/3] ARM-XEN: Adjustments for __set_phys_to_machine_multi() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-06-04 23:10 +0200
  [PATCH 3/3] arm/xen: Adjust one function call together with a  variable assignment SF Markus Elfring <elfring@users.sourceforge.net> - 2017-06-04 23:10 +0200
    Re: [PATCH 3/3] arm/xen: Adjust one function call together with a  variable assignment Stefano Stabellini <sstabellini@kernel.org> - 2017-06-05 19:20 +0200
  [PATCH 2/3] arm/xen: Delete an error message for a failed memory  allocation in __set_phys_to_machine_multi() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-06-04 23:10 +0200
    Re: [PATCH 2/3] arm/xen: Delete an error message for a failed memory  allocation in __set_phys_to_machine_multi() Stefano Stabellini <sstabellini@kernel.org> - 2017-06-05 19:20 +0200
  [PATCH 1/3] arm/xen: Improve a size determination in  __set_phys_to_machine_multi() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-06-04 23:10 +0200
    Re: [PATCH 1/3] arm/xen: Improve a size determination in  __set_phys_to_machine_multi() Stefano Stabellini <sstabellini@kernel.org> - 2017-06-05 19:20 +0200
  Re: [PATCH 0/3] ARM-XEN: Adjustments for  __set_phys_to_machine_multi() Stefano Stabellini <sstabellini@kernel.org> - 2017-06-05 20:00 +0200

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