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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-21 15:51:19 -1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-21 15:51:19 -1000 |
| commit | 6e80ecdddf4ea6f3cd84e83720f3d852e6624a68 (patch) | |
| tree | 058bb07b5cae1df834bbac82aeafaba0a98f855b /drivers | |
| parent | Merge tag 'kbuild-fixes-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild (diff) | |
| parent | libnvdimm, namespace: fix btt claim class crash (diff) | |
| download | linux-dev-6e80ecdddf4ea6f3cd84e83720f3d852e6624a68.tar.xz linux-dev-6e80ecdddf4ea6f3cd84e83720f3d852e6624a68.zip | |
Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"A crash fix and corresponding regression test enabling for the crash
scenario. The unit test for this crash is available in ndctl-v58.2.
This branch has received a build success notification from the
0day-kbuild robot over 148 configs. The fix is tagged for -stable /
backport to 4.13"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm, namespace: fix btt claim class crash
tools/testing/nvdimm: disable labels for nfit_test.1
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/nvdimm/namespace_devs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index 1427a386a033..3e4d1e7998da 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -1417,6 +1417,15 @@ static int btt_claim_class(struct device *dev) struct nvdimm_drvdata *ndd = to_ndd(nd_mapping); struct nd_namespace_index *nsindex; + /* + * If any of the DIMMs do not support labels the only + * possible BTT format is v1. + */ + if (!ndd) { + loop_bitmask = 0; + break; + } + nsindex = to_namespace_index(ndd, ndd->ns_current); if (nsindex == NULL) loop_bitmask |= 1; |