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-rw-r--r--drivers/nvdimm/dimm.c6
-rw-r--r--drivers/nvdimm/dimm_devs.c22
-rw-r--r--drivers/nvdimm/nd-core.h4
-rw-r--r--drivers/nvdimm/nd.h1
4 files changed, 26 insertions, 7 deletions
diff --git a/drivers/nvdimm/dimm.c b/drivers/nvdimm/dimm.c
index 0cf58cabc9ed..3cf50274fadb 100644
--- a/drivers/nvdimm/dimm.c
+++ b/drivers/nvdimm/dimm.c
@@ -26,6 +26,12 @@ static int nvdimm_probe(struct device *dev)
struct nvdimm_drvdata *ndd;
int rc;
+ rc = nvdimm_security_setup_events(dev);
+ if (rc < 0) {
+ dev_err(dev, "security event setup failed: %d\n", rc);
+ return rc;
+ }
+
rc = nvdimm_check_config_data(dev);
if (rc) {
/* not required for non-aliased nvdimm, ex. NVDIMM-N */
diff --git a/drivers/nvdimm/dimm_devs.c b/drivers/nvdimm/dimm_devs.c
index 4890310df874..efe412a6b5b9 100644
--- a/drivers/nvdimm/dimm_devs.c
+++ b/drivers/nvdimm/dimm_devs.c
@@ -578,13 +578,25 @@ struct nvdimm *__nvdimm_create(struct nvdimm_bus *nvdimm_bus,
}
EXPORT_SYMBOL_GPL(__nvdimm_create);
-int nvdimm_security_setup_events(struct nvdimm *nvdimm)
+static void shutdown_security_notify(void *data)
{
- nvdimm->sec.overwrite_state = sysfs_get_dirent(nvdimm->dev.kobj.sd,
- "security");
+ struct nvdimm *nvdimm = data;
+
+ sysfs_put(nvdimm->sec.overwrite_state);
+}
+
+int nvdimm_security_setup_events(struct device *dev)
+{
+ struct nvdimm *nvdimm = to_nvdimm(dev);
+
+ if (nvdimm->sec.state < 0 || !nvdimm->sec.ops
+ || !nvdimm->sec.ops->overwrite)
+ return 0;
+ nvdimm->sec.overwrite_state = sysfs_get_dirent(dev->kobj.sd, "security");
if (!nvdimm->sec.overwrite_state)
- return -ENODEV;
- return 0;
+ return -ENOMEM;
+
+ return devm_add_action_or_reset(dev, shutdown_security_notify, nvdimm);
}
EXPORT_SYMBOL_GPL(nvdimm_security_setup_events);
diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h
index 2b2cf4e554d3..e5ffd5733540 100644
--- a/drivers/nvdimm/nd-core.h
+++ b/drivers/nvdimm/nd-core.h
@@ -54,12 +54,12 @@ struct nvdimm {
};
static inline enum nvdimm_security_state nvdimm_security_state(
- struct nvdimm *nvdimm, bool master)
+ struct nvdimm *nvdimm, enum nvdimm_passphrase_type ptype)
{
if (!nvdimm->sec.ops)
return -ENXIO;
- return nvdimm->sec.ops->state(nvdimm, master);
+ return nvdimm->sec.ops->state(nvdimm, ptype);
}
int nvdimm_security_freeze(struct nvdimm *nvdimm);
#if IS_ENABLED(CONFIG_NVDIMM_KEYS)
diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h
index cfde992684e7..379bf4305e61 100644
--- a/drivers/nvdimm/nd.h
+++ b/drivers/nvdimm/nd.h
@@ -250,6 +250,7 @@ long nvdimm_clear_poison(struct device *dev, phys_addr_t phys,
void nvdimm_set_aliasing(struct device *dev);
void nvdimm_set_locked(struct device *dev);
void nvdimm_clear_locked(struct device *dev);
+int nvdimm_security_setup_events(struct device *dev);
#if IS_ENABLED(CONFIG_NVDIMM_KEYS)
int nvdimm_security_unlock(struct device *dev);
#else