From: Keith Busch <kbusch@kernel.org>
Date: Mon, 19 Sep 2022 12:45:08 -0700
Subject: nvme: copy firmware_rev on each init
Patch-mainline: v6.1-rc1
Git-commit: a8eb6c1ba48bddea82e8d74cbe6e119f006be97d
References: git-fixes
The firmware revision can change on after a reset so copy the most
recent info each time instead of just the first time, otherwise the
sysfs firmware_rev entry may contain stale data.
Reported-by: Jeff Lien <jeff.lien@wdc.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Chao Leng <lengchao@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Daniel Wagner <dwagner@suse.de>
---
drivers/nvme/host/core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2722,7 +2722,6 @@ static int nvme_init_subsystem(struct nv
nvme_init_subnqn(subsys, ctrl, id);
memcpy(subsys->serial, id->sn, sizeof(subsys->serial));
memcpy(subsys->model, id->mn, sizeof(subsys->model));
- memcpy(subsys->firmware_rev, id->fr, sizeof(subsys->firmware_rev));
subsys->vendor_id = le16_to_cpu(id->vid);
subsys->cmic = id->cmic;
@@ -2942,6 +2941,8 @@ static int nvme_init_identify(struct nvm
ctrl->quirks |= core_quirks[i].quirks;
}
}
+ memcpy(ctrl->subsys->firmware_rev, id->fr,
+ sizeof(ctrl->subsys->firmware_rev));
if (force_apst && (ctrl->quirks & NVME_QUIRK_NO_DEEPEST_PS)) {
dev_warn(ctrl->device, "forcibly allowing all power states due to nvme_core.force_apst -- use at your own risk\n");