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lightnvm: initialize ppa_addr in dev_to_generic_addr()

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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@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Javier González 2016-07-07 09:54:09 +02:00 • committed by Greg Kroah-Hartman
parent d255fffdb5
commit 5acdbe667c
1 changed files with 1 additions and 0 deletions
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include/linux/lightnvm.h
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@ -310,6 +310,7 @@ 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.
*/ */