* Re: [PATCH v11 01/21] axonram: Fix bug in direct_access
[not found] ` <1411677218-29146-2-git-send-email-matthew.r.wilcox@intel.com>
@ 2014-10-16 7:52 ` Mathieu Desnoyers
0 siblings, 0 replies; only message in thread
From: Mathieu Desnoyers @ 2014-10-16 7:52 UTC (permalink / raw)
To: Matthew Wilcox; +Cc: linux-fsdevel, linux-mm, linux-kernel, stable
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@intel.com>
> Reviewed-by: Jan Kara <jack@suse.cz>
This should also be submitted for stable kernels. (CC
stable@vger.kernel.org)
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
> ---
> 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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--
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
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