| From 91117a20245b59f70b563523edbf998a62fc6383 Mon Sep 17 00:00:00 2001 |
| From: Matthew Wilcox <matthew.r.wilcox@intel.com> |
| Date: Wed, 7 Jan 2015 18:04:18 +0200 |
| Subject: axonram: Fix bug in direct_access |
| |
| From: Matthew Wilcox <matthew.r.wilcox@intel.com> |
| |
| 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> |
| |
| --- |
| arch/powerpc/sysdev/axonram.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| --- a/arch/powerpc/sysdev/axonram.c |
| +++ b/arch/powerpc/sysdev/axonram.c |
| @@ -156,7 +156,7 @@ axon_ram_direct_access(struct block_devi |
| } |
| |
| *kaddr = (void *)(bank->ph_addr + offset); |
| - *pfn = virt_to_phys(kaddr) >> PAGE_SHIFT; |
| + *pfn = virt_to_phys(*kaddr) >> PAGE_SHIFT; |
| |
| return 0; |
| } |
