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authorMatthew Wilcox <matthew.r.wilcox@intel.com>2015-01-07 18:04:18 +0200
committerZefan Li <lizefan@huawei.com>2015-06-19 11:40:11 +0800
commitb24c9cfb7c8c72e74ec1b8c5bcf3e26e20c56e77 (patch)
tree9ec1935308c5773fcb965a0cdcd356f0c4ce6b91 /arch
parentaef29c3576fb89843193a2a026719a0fdb4145ab (diff)
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.c2
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;
}