From 5acdbe667cf467cefb8fc13ded0ecca58dd9a761 Mon Sep 17 00:00:00 2001 From: Javier González Date: Thu, 7 Jul 2016 09:54:09 +0200 Subject: lightnvm: initialize ppa_addr in dev_to_generic_addr() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- include/linux/lightnvm.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index 782d4e814e21..4bc4b1b13193 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -310,6 +310,7 @@ 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. */ -- cgit v1.2.3