This is a note to let you know that I've just added the patch titled
lightnvm: initialize ppa_addr in dev_to_generic_addr()
to the 4.4-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:
lightnvm-initialize-ppa_addr-in-dev_to_generic_addr.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 5389a1dfb39786df08d4f6a482bd2734b1b50e33 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= <javier@xxxxxxxxxxxx>
Date: Thu, 7 Jul 2016 09:54:09 +0200
Subject: lightnvm: initialize ppa_addr in dev_to_generic_addr()
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From: Javier González <javier@xxxxxxxxxxxx>
commit 5389a1dfb39786df08d4f6a482bd2734b1b50e33 upstream.
The ->reserved bit is not initialized when allocated on stack.
This may lead targets to misinterpret the PPA as cached.
Signed-off-by: Javier González <javier@xxxxxxxxxxxx>
Signed-off-by: Matias Bjørling <m@xxxxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
include/linux/lightnvm.h | 1 +
1 file changed, 1 insertion(+)
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -310,6 +310,7 @@ static inline struct ppa_addr dev_to_gen
{
struct ppa_addr l;
+ l.ppa = 0;
/*
* (r.ppa << X offset) & X len bitmask. X eq. blk, pg, etc.
*/
Patches currently in stable-queue which might be from javier@xxxxxxxxxxxx are
queue-4.4/lightnvm-initialize-ppa_addr-in-dev_to_generic_addr.patch