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authorJavier González <javier@cnexlabs.com>2016-07-07 10:54:09 +0300
committerJens Axboe <axboe@fb.com>2016-07-07 17:51:52 +0300
commit5389a1dfb39786df08d4f6a482bd2734b1b50e33 (patch)
treeeedb421c20a8d3a10be7470e9ba3d9cd8d7b6b0d /include/linux/lightnvm.h
parent529435e8188674fa1071235f50e6fbbbe020c93f (diff)
downloadlinux-5389a1dfb39786df08d4f6a482bd2734b1b50e33.tar.xz
lightnvm: initialize ppa_addr in dev_to_generic_addr()
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@cnexlabs.com> Signed-off-by: Matias Bjørling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/linux/lightnvm.h')
-rw-r--r--include/linux/lightnvm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 9c56148d6f63..cee4c8de34d5 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.
*/