From 91117a20245b59f70b563523edbf998a62fc6383 Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Wed, 7 Jan 2015 18:04:18 +0200 Subject: [PATCH] axonram: Fix bug in direct_access The 'pfn' returned by axonram was completely bogus, and has been since 2008. Signed-off-by: Matthew Wilcox Reviewed-by: Jan Kara Reviewed-by: Mathieu Desnoyers Cc: stable@vger.kernel.org Signed-off-by: Jens Axboe --- 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 f532c92bf99d..367533bb3d48 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; } -- 2.39.5