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| author | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2015-01-07 19:04:18 +0300 |
|---|---|---|
| committer | Zefan Li <lizefan@huawei.com> | 2015-06-19 06:40:11 +0300 |
| commit | b24c9cfb7c8c72e74ec1b8c5bcf3e26e20c56e77 (patch) | |
| tree | 9ec1935308c5773fcb965a0cdcd356f0c4ce6b91 /arch | |
| parent | aef29c3576fb89843193a2a026719a0fdb4145ab (diff) | |
| download | linux-b24c9cfb7c8c72e74ec1b8c5bcf3e26e20c56e77.tar.xz | |
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: Zefan Li <lizefan@huawei.com>
Diffstat (limited to 'arch')
| -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; } |