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| author | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2015-01-07 18:04:18 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-06 14:40:50 -0800 |
| commit | 9d8039b13aea028b16676c28fcac358ec24e7b3b (patch) | |
| tree | 21f9e0b6324b2590d23954a149f2a1d2dabc5b60 | |
| parent | 8a9a6a13371bac27f6cd7c9fc52f9b1ee98c2ba4 (diff) | |
| download | lwn-9d8039b13aea028b16676c28fcac358ec24e7b3b.tar.gz lwn-9d8039b13aea028b16676c28fcac358ec24e7b3b.zip | |
axonram: Fix bug in direct_access
commit 91117a20245b59f70b563523edbf998a62fc6383 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>
| -rw-r--r-- | arch/powerpc/sysdev/axonram.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c index 1c16141c031c..1fea24944ff4 100644 --- a/arch/powerpc/sysdev/axonram.c +++ b/arch/powerpc/sysdev/axonram.c @@ -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; } |