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Groups > linux.kernel > #1438254
| From | Matias Bjørling <m@bjorling.me> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 03/17] lightnvm: initialize ppa_addr in dev_to_generic_addr() |
| Date | 2016-07-07 10:00 +0200 |
| Message-ID | <rSco2-3Zm-9@gated-at.bofh.it> (permalink) |
| References | <rSco1-3Zm-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Javier González <javier@cnexlabs.com>
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>
---
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
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[GIT PULL 00/17] LightNVM pull request for 4.8 Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 03/17] lightnvm: initialize ppa_addr in dev_to_generic_addr() Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 06/17] lightnvm: remove checkpatch warning for unsigned ints Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 12/17] lightnvm: remove unused lists from struct rrpc_block Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 13/17] lightnvm: remove _unlocked variant of [get/put]_blk Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 11/17] lightnvm: remove nested lock conflict with mm Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 15/17] lightnvm: fix lun offset calculation for mark blk Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 04/17] nvme: lightnvm: make MLC num_pairs little endian Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 02/17] lightnvm: add media manager mark_blk helper Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 05/17] lightnvm: Make functions not used by ouside static Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 09/17] lightnvm: rename gennvm and update description Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 17/17] lightnvm: make __nvm_submit_ppa static Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 16/17] lightnvm: make ppa_list const in nvm_set_rqd_list Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 07/17] lightnvm: fix checkpatch terse errors Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 10/17] lightnvm: move target mgmt into media mgr Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 14/17] lightnvm: make rrpc_map_page call nvm_get_blk outside locks Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 [PATCH 01/17] lightnvm: break the loop when rqd is not null Matias Bjørling <m@bjorling.me> - 2016-07-07 10:00 +0200 Re: [GIT PULL 00/17] LightNVM pull request for 4.8 Jens Axboe <axboe@kernel.dk> - 2016-07-07 17:00 +0200
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