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Message-Id: <1414185652-28663-2-git-send-email-matthew.r.wilcox@intel.com>
Date:	Fri, 24 Oct 2014 17:20:33 -0400
From:	Matthew Wilcox <matthew.r.wilcox@...el.com>
To:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Cc:	Matthew Wilcox <matthew.r.wilcox@...el.com>, willy@...ux.intel.com,
	Andrew Morton <akpm@...ux-foundation.org>,
	stable@...r.kernel.org
Subject: [PATCH v12 01/20] axonram: Fix bug in direct_access

The 'pfn' returned by axonram was completely bogus, and has been since
2008.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@...el.com>
Reviewed-by: Jan Kara <jack@...e.cz>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc: stable@...r.kernel.org
---
 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 ad56edc..e8bb33b 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;
 }
-- 
2.1.1

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