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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-29 10:33:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-29 10:33:41 -0700 |
| commit | a3c0e7b1fe1fc62bba5f591c4bc404eea96823b8 (patch) | |
| tree | 494409b373e8d43e72c88d228e77f3d3aaf46a91 /drivers/nvdimm/security.c | |
| parent | 939ca9f1751d1d65424f80b9284b6c18e78c7f4e (diff) | |
| parent | 4c806b897d6075bfa5067e524fb058c57ab64e7b (diff) | |
Merge tag 'libnvdimm-fixes-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
More libnvdimm updates from Dan Williams:
- Complete the reworks to interoperate with powerpc dynamic huge page
sizes
- Fix a crash due to missed accounting for the powerpc 'struct
page'-memmap mapping granularity
- Fix badblock initialization for volatile (DRAM emulated) pmem ranges
- Stop triggering request_key() notifications to userspace when
NVDIMM-security is disabled / not present
- Miscellaneous small fixups
* tag 'libnvdimm-fixes-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm/region: Enable MAP_SYNC for volatile regions
libnvdimm: prevent nvdimm from requesting key when security is disabled
libnvdimm/region: Initialize bad block for volatile namespaces
libnvdimm/nfit_test: Fix acpi_handle redefinition
libnvdimm/altmap: Track namespace boundaries in altmap
libnvdimm: Fix endian conversion issuesÂ
libnvdimm/dax: Pick the right alignment default when creating dax devices
powerpc/book3s64: Export has_transparent_hugepage() related functions.
Diffstat (limited to 'drivers/nvdimm/security.c')
| -rw-r--r-- | drivers/nvdimm/security.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/nvdimm/security.c b/drivers/nvdimm/security.c index 9e45b207ff01..89b85970912d 100644 --- a/drivers/nvdimm/security.c +++ b/drivers/nvdimm/security.c @@ -177,6 +177,10 @@ static int __nvdimm_security_unlock(struct nvdimm *nvdimm) || !nvdimm->sec.flags) return -EIO; + /* No need to go further if security is disabled */ + if (test_bit(NVDIMM_SECURITY_DISABLED, &nvdimm->sec.flags)) + return 0; + if (test_bit(NDD_SECURITY_OVERWRITE, &nvdimm->flags)) { dev_dbg(dev, "Security operation in progress.\n"); return -EBUSY; |