This is a note to let you know that I've just added the patch titled
axonram: Fix bug in direct_access
to the 3.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
axonram-fix-bug-in-direct_access.patch
and it can be found in the queue-3.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 91117a20245b59f70b563523edbf998a62fc6383 Mon Sep 17 00:00:00 2001
From: Matthew Wilcox <[email protected]>
Date: Wed, 7 Jan 2015 18:04:18 +0200
Subject: axonram: Fix bug in direct_access
From: Matthew Wilcox <[email protected]>
commit 91117a20245b59f70b563523edbf998a62fc6383 upstream.
The 'pfn' returned by axonram was completely bogus, and has been since
2008.
Signed-off-by: Matthew Wilcox <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Reviewed-by: Mathieu Desnoyers <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
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;
}
Patches currently in stable-queue which might be from
[email protected] are
queue-3.19/axonram-fix-bug-in-direct_access.patch
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