Commit 91117a20 authored Jan 07, 2015 by Matthew Wilcox Committed by Jens Axboe Jan 13, 2015

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@intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@fb.com>

parent 78e367a3

arch/powerpc/sysdev/axonram.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}