linux-kernel - Re: [PATCH 1/3] powernv/pci: Delete an error message for a failed memory allocation in pnv_ioda_pick_m64

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Date:   Wed, 18 Oct 2017 16:21:43 +1100
From:   Alexey Kardashevskiy <aik@...abs.ru>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>,
        linuxppc-dev@...ts.ozlabs.org,
        Alistair Popple <alistair@...ple.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        David Gibson <david@...son.dropbear.id.au>,
        Gavin Shan <gwshan@...ux.vnet.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>,
        Rob Herring <robh@...nel.org>,
        Russell Currey <ruscur@...sell.cc>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/3] powernv/pci: Delete an error message for a failed
 memory allocation in pnv_ioda_pick_m64_pe()

On 18/10/17 02:37, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Tue, 17 Oct 2017 16:52:43 +0200
> 
> Omit an extra message for a memory allocation failure in this function.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  arch/powerpc/platforms/powernv/pci-ioda.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
> index fb5cd7511189..17c0330bb059 100644
> --- a/arch/powerpc/platforms/powernv/pci-ioda.c
> +++ b/arch/powerpc/platforms/powernv/pci-ioda.c
> @@ -358,11 +358,8 @@ static struct pnv_ioda_pe *pnv_ioda_pick_m64_pe(struct pci_bus *bus, bool all)
>  	/* Allocate bitmap */
>  	size = _ALIGN_UP(phb->ioda.total_pe_num / 8, sizeof(unsigned long));
>  	pe_alloc = kzalloc(size, GFP_KERNEL);
> -	if (!pe_alloc) {
> -		pr_warn("%s: Out of memory !\n",
> -			__func__);
> +	if (!pe_alloc)
>  		return NULL;
> -	}
>  
>  	/* Figure out reserved PE numbers by the PE */
>  	pnv_ioda_reserve_m64_pe(bus, pe_alloc, all);
> 

Reviewed-by: Alexey Kardashevskiy <aik@...abs.ru>



-- 
Alexey