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libnvdimm v5.0-rc3

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* Fix driver initialization crash due to the inability to report an
   'error' state for a DIMM's security capability.
 * Build warning fix for little-endian ARM64 builds
 * Fix a potential race between the EDAC driver's usage of the NFIT
   SMBIOS id for a DIMM and the driver shutdown path.
 * A small collection of one-line benign cleanups for duplicate variable
   assignments, a duplicate header include and a mis-typed function
   argument.
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Merge tag 'libnvdimm-fixes-5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm fixes from Dan Williams:
 "A crash fix, a build warning fix, a miscellaneous small cleanups.

  In case anyone is looking for them, there was a regression caught by
  testing that caused two patches to be dropped from this update.  Those
  patches have been reworked and will soak for another week / re-target
  5.0-rc4.

   - Fix driver initialization crash due to the inability to report an
     'error' state for a DIMM's security capability.

   - Build warning fix for little-endian ARM64 builds

   - Fix a potential race between the EDAC driver's usage of the NFIT
     SMBIOS id for a DIMM and the driver shutdown path.

   - A small collection of one-line benign cleanups for duplicate
     variable assignments, a duplicate header include and a mis-typed
     function argument"

* tag 'libnvdimm-fixes-5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  libnvdimm/security: Fix nvdimm_security_state() state request selection
  acpi/nfit: Remove duplicate set nd_set in acpi_nfit_init_interleave_set()
  acpi/nfit: Fix race accessing memdev in nfit_get_smbios_id()
  libnvdimm/dimm: Fix security capability detection for non-Intel NVDIMMs
  nfit: Mark some functions as __maybe_unused
  ACPI/nfit: delete the function to_acpi_nfit_desc
  ACPI/nfit: delete the redundant header file
This commit is contained in:
Linus Torvalds 2019-01-20 10:24:30 +12:00
commit 26caabbcd7
4 changed files with 14 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/acpi/nfit/core.c
View File

@ -26,7 +26,6 @@
#include <acpi/nfit.h>
#include "intel.h"
#include "nfit.h"
#include "intel.h"
/*
* For readq() and writeq() on 32-bit builds, the hi-lo, lo-hi order is
@ -78,12 +77,6 @@ const guid_t *to_nfit_uuid(enum nfit_uuids id)
}
EXPORT_SYMBOL(to_nfit_uuid);
static struct acpi_nfit_desc *to_acpi_nfit_desc(
struct nvdimm_bus_descriptor *nd_desc)
{
return container_of(nd_desc, struct acpi_nfit_desc, nd_desc);
}
static struct acpi_device *to_acpi_dev(struct acpi_nfit_desc *acpi_desc)
{
struct nvdimm_bus_descriptor *nd_desc = &acpi_desc->nd_desc;
@ -419,7 +412,7 @@ static bool payload_dumpable(struct nvdimm *nvdimm, unsigned int func)
int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
unsigned int cmd, void *buf, unsigned int buf_len, int *cmd_rc)
{
struct acpi_nfit_desc *acpi_desc = to_acpi_nfit_desc(nd_desc);
struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc);
struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
union acpi_object in_obj, in_buf, *out_obj;
const struct nd_cmd_desc *desc = NULL;
@ -721,6 +714,7 @@ int nfit_get_smbios_id(u32 device_handle, u16 *flags)
struct acpi_nfit_memory_map *memdev;
struct acpi_nfit_desc *acpi_desc;
struct nfit_mem *nfit_mem;
u16 physical_id;
mutex_lock(&acpi_desc_lock);
list_for_each_entry(acpi_desc, &acpi_descs, list) {
@ -728,10 +722,11 @@ int nfit_get_smbios_id(u32 device_handle, u16 *flags)
list_for_each_entry(nfit_mem, &acpi_desc->dimms, list) {
memdev = __to_nfit_memdev(nfit_mem);
if (memdev->device_handle == device_handle) {
*flags = memdev->flags;
physical_id = memdev->physical_id;
mutex_unlock(&acpi_desc->init_mutex);
mutex_unlock(&acpi_desc_lock);
*flags = memdev->flags;
return memdev->physical_id;
return physical_id;
}
}
mutex_unlock(&acpi_desc->init_mutex);
@ -2231,7 +2226,6 @@ static int acpi_nfit_init_interleave_set(struct acpi_nfit_desc *acpi_desc,
nd_set = devm_kzalloc(dev, sizeof(*nd_set), GFP_KERNEL);
if (!nd_set)
return -ENOMEM;
ndr_desc->nd_set = nd_set;
guid_copy(&nd_set->type_guid, (guid_t *) spa->range_guid);
info = devm_kzalloc(dev, sizeof_nfit_set_info(nr), GFP_KERNEL);
@ -3367,7 +3361,7 @@ EXPORT_SYMBOL_GPL(acpi_nfit_init);
static int acpi_nfit_flush_probe(struct nvdimm_bus_descriptor *nd_desc)
{
struct acpi_nfit_desc *acpi_desc = to_acpi_nfit_desc(nd_desc);
struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc);
struct device *dev = acpi_desc->dev;
/* Bounce the device lock to flush acpi_nfit_add / acpi_nfit_notify */
@ -3384,7 +3378,7 @@ static int acpi_nfit_flush_probe(struct nvdimm_bus_descriptor *nd_desc)
static int __acpi_nfit_clear_to_send(struct nvdimm_bus_descriptor *nd_desc,
struct nvdimm *nvdimm, unsigned int cmd)
{
struct acpi_nfit_desc *acpi_desc = to_acpi_nfit_desc(nd_desc);
struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc);
if (nvdimm)
return 0;

8
drivers/acpi/nfit/intel.c
View File

@ -146,7 +146,7 @@ static int intel_security_change_key(struct nvdimm *nvdimm,
static void nvdimm_invalidate_cache(void);
static int intel_security_unlock(struct nvdimm *nvdimm,
static int __maybe_unused intel_security_unlock(struct nvdimm *nvdimm,
const struct nvdimm_key_data *key_data)
{
struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
@ -227,7 +227,7 @@ static int intel_security_disable(struct nvdimm *nvdimm,
return 0;
}
static int intel_security_erase(struct nvdimm *nvdimm,
static int __maybe_unused intel_security_erase(struct nvdimm *nvdimm,
const struct nvdimm_key_data *key,
enum nvdimm_passphrase_type ptype)
{
@ -276,7 +276,7 @@ static int intel_security_erase(struct nvdimm *nvdimm,
return 0;
}
static int intel_security_query_overwrite(struct nvdimm *nvdimm)
static int __maybe_unused intel_security_query_overwrite(struct nvdimm *nvdimm)
{
int rc;
struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
@ -313,7 +313,7 @@ static int intel_security_query_overwrite(struct nvdimm *nvdimm)
return 0;
}
static int intel_security_overwrite(struct nvdimm *nvdimm,
static int __maybe_unused intel_security_overwrite(struct nvdimm *nvdimm,
const struct nvdimm_key_data *nkey)
{
int rc;

4
drivers/nvdimm/nd-core.h
View File

@ -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)

1
include/linux/libnvdimm.h
View File

@ -160,6 +160,7 @@ static inline struct nd_blk_region_desc *to_blk_region_desc(
}
enum nvdimm_security_state {
NVDIMM_SECURITY_ERROR = -1,
NVDIMM_SECURITY_DISABLED,
NVDIMM_SECURITY_UNLOCKED,
NVDIMM_SECURITY_LOCKED,