[PATCH 10/15] lightnvm: pblk: check for supported version
From: Javier González <hidden>
Date: 2018-02-28 17:09:47
Also in:
linux-nvme, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
At this point, only 1.2 spec is supported, thus check for it. Also, since device-side L2P is only supported in the 1.2 spec, make sure to only check its value under 1.2. Signed-off-by: Javier González <redacted> --- drivers/lightnvm/pblk-init.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index 11424beb214c..b67b5b11ae16 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c@@ -991,9 +991,15 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk, struct pblk *pblk; int ret; - if (dev->geo.dom & NVM_RSP_L2P) { + if (geo->version != NVM_OCSSD_SPEC_12) { + pr_err("pblk: OCSSD version not supported (%u)\n", + geo->version); + return ERR_PTR(-EINVAL); + } + + if (geo->version == NVM_OCSSD_SPEC_12 && geo->dom & NVM_RSP_L2P) { pr_err("pblk: host-side L2P table not supported. (%x)\n", - dev->geo.dom); + geo->dom); return ERR_PTR(-EINVAL); }
--
2.7.4