diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/nfit/core.c | 10 | ||||
| -rw-r--r-- | drivers/acpi/nfit/nfit.h | 1 |
2 files changed, 8 insertions, 3 deletions
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 4af1db1cb599..ceb6671ab355 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -1248,7 +1248,7 @@ static struct nvdimm *acpi_nfit_dimm_by_handle(struct acpi_nfit_desc *acpi_desc, return NULL; } -static void __acpi_nvdimm_notify(struct device *dev, u32 event) +void __acpi_nvdimm_notify(struct device *dev, u32 event) { struct nfit_mem *nfit_mem; struct acpi_nfit_desc *acpi_desc; @@ -1274,6 +1274,7 @@ static void __acpi_nvdimm_notify(struct device *dev, u32 event) if (nfit_mem && nfit_mem->flags_attr) sysfs_notify_dirent(nfit_mem->flags_attr); } +EXPORT_SYMBOL_GPL(__acpi_nvdimm_notify); static void acpi_nvdimm_notify(acpi_handle handle, u32 event, void *data) { @@ -1365,12 +1366,15 @@ static void shutdown_dimm_notify(void *data) * notifications. */ list_for_each_entry(nfit_mem, &acpi_desc->dimms, list) { + struct acpi_device *adev_dimm = nfit_mem->adev; + if (nfit_mem->flags_attr) { sysfs_put(nfit_mem->flags_attr); nfit_mem->flags_attr = NULL; } - acpi_remove_notify_handler(nfit_mem->adev->handle, - ACPI_DEVICE_NOTIFY, acpi_nvdimm_notify); + if (adev_dimm) + acpi_remove_notify_handler(adev_dimm->handle, + ACPI_DEVICE_NOTIFY, acpi_nvdimm_notify); } mutex_unlock(&acpi_desc->init_mutex); } diff --git a/drivers/acpi/nfit/nfit.h b/drivers/acpi/nfit/nfit.h index 13195824778c..bb101170cd0b 100644 --- a/drivers/acpi/nfit/nfit.h +++ b/drivers/acpi/nfit/nfit.h @@ -233,5 +233,6 @@ static inline struct acpi_nfit_desc *to_acpi_desc( const u8 *to_nfit_uuid(enum nfit_uuids id); int acpi_nfit_init(struct acpi_nfit_desc *acpi_desc, void *nfit, acpi_size sz); void __acpi_nfit_notify(struct device *dev, acpi_handle handle, u32 event); +void __acpi_nvdimm_notify(struct device *dev, u32 event); void acpi_nfit_desc_init(struct acpi_nfit_desc *acpi_desc, struct device *dev); #endif /* __NFIT_H__ */ |