[PATCH 03/17] lightnvm: initialize ppa_addr in dev_to_generic_addr()

From: Matias BjÃrling
Date: Thu Jul 07 2016 - 03:59:01 EST


From: Javier GonzÃlez <javier@xxxxxxxxxxxx>

The ->reserved bit is not initialized when allocated on stack.
This may lead targets to misinterpret the PPA as cached.

Signed-off-by: Javier GonzÃlez <javier@xxxxxxxxxxxx>
Signed-off-by: Matias BjÃrling <m@xxxxxxxxxxx>
---
include/linux/lightnvm.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 9c56148..cee4c8d 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -385,6 +385,7 @@ static inline struct ppa_addr dev_to_generic_addr(struct nvm_dev *dev,
{
struct ppa_addr l;

+ l.ppa = 0;
/*
* (r.ppa << X offset) & X len bitmask. X eq. blk, pg, etc.
*/
--
2.1.4