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axonram: Fix bug in direct_access

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commit 91117a2024 upstream.

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>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matthew Wilcox 2015-01-07 18:04:18 +02:00 committed by Greg Kroah-Hartman
parent 8a9a6a1337
commit 9d8039b13a
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/sysdev/axonram.c
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@ -155,7 +155,7 @@ 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;
}