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| author | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2015-01-07 18:04:18 +0200 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2015-03-01 23:34:20 +0100 |
| commit | 3e8f58791018d51909486dc5466e2f0bb2013095 (patch) | |
| tree | 93e21cd84360c7fc680f893cd904cfe131e313ee | |
| parent | cb5085fd318e0c60dd0f56410d5a29b71ea55ef3 (diff) | |
| download | lwn-3e8f58791018d51909486dc5466e2f0bb2013095.tar.gz lwn-3e8f58791018d51909486dc5466e2f0bb2013095.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: Jiri Slaby <jslaby@suse.cz>
| -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; } |