Commit 5389a1df authored Jul 07, 2016 by Javier González Committed by Jens Axboe Jul 07, 2016

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>

parent 529435e8

include/linux/lightnvm.h

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -385,6 +385,7 @@ static inline struct ppa_addr dev_to_generic_addr(struct nvm_dev *dev,
	{		{
	struct ppa_addr l;		struct ppa_addr l;

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