Re: [PATCH v11 01/21] axonram: Fix bug in direct_access

[Mathieu Desnoyers]

On 25-Sep-2014 04:33:18 PM, Matthew Wilcox wrote:
> The 'pfn' returned by axonram was completely bogus, and has been since
> 2008.
> 
> Signed-off-by: Matthew Wilcox <matthew.r.wilcox@xxxxxxxxx>
> Reviewed-by: Jan Kara <jack@xxxxxxx>

This should also be submitted for stable kernels. (CC
stable@xxxxxxxxxxxxxxx)

Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>

> ---
>  arch/powerpc/sysdev/axonram.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c
> index 47b6b9f..830edc8 100644
> --- a/arch/powerpc/sysdev/axonram.c
> +++ b/arch/powerpc/sysdev/axonram.c
> @@ -156,7 +156,7 @@ axon_ram_direct_access(struct block_device *device, sector_t sector,
>  	}
>  
>  	*kaddr = (void *)(bank->ph_addr + offset);
> -	*pfn = virt_to_phys(kaddr) >> PAGE_SHIFT;
> +	*pfn = virt_to_phys(*kaddr) >> PAGE_SHIFT;
>  
>  	return 0;
>  }
> -- 
> 2.1.0
> 
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> 

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Mathieu Desnoyers
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