From ff12581ec702d6c4607f614107d4816c21c6be56 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Matias=20Bj=C3=B8rling?= Date: Fri, 30 Mar 2018 00:04:54 +0200 Subject: [PATCH] lightnvm: remove multiple groups in 1.2 data structure MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Only one id group from the 1.2 specification is supported. Make sure that only the first group is accessible. Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe --- drivers/nvme/host/lightnvm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index 940c9b9a2a09..dc0b1335c7c6 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -166,7 +166,8 @@ struct nvme_nvm_id { __le32 dom; struct nvme_nvm_addr_format ppaf; __u8 resv[228]; - struct nvme_nvm_id_group groups[4]; + struct nvme_nvm_id_group group; + __u8 resv2[2880]; } __packed; struct nvme_nvm_bb_tbl { @@ -208,7 +209,7 @@ static int init_grps(struct nvm_id *nvm_id, struct nvme_nvm_id *nvme_nvm_id) if (nvme_nvm_id->cgrps != 1) return -EINVAL; - src = &nvme_nvm_id->groups[0]; + src = &nvme_nvm_id->group; grp = &nvm_id->grp; grp->mtype = src->mtype;