summaryrefslogtreecommitdiffstats
path: root/drivers/nvdimm/bus.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2016-09-22 15:21:48 +0200
committerIngo Molnar <mingo@kernel.org>2016-09-22 15:21:48 +0200
commit7cf0f1426a909ed36a8b349a4a975e0d68b5edad (patch)
tree0700bb26ceeefb95efc13c3247c04fe7207b509e /drivers/nvdimm/bus.c
parentlocking/rwsem, x86: Drop a bogus cc clobber (diff)
parentlocking/atomic, arch/sh: Fix ATOMIC_FETCH_OP() (diff)
downloadlinux-7cf0f1426a909ed36a8b349a4a975e0d68b5edad.tar.xz
linux-7cf0f1426a909ed36a8b349a4a975e0d68b5edad.zip
Merge branch 'locking/urgent' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/nvdimm/bus.c')
-rw-r--r--drivers/nvdimm/bus.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index 458daf927336..935866fe5ec2 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -185,8 +185,12 @@ long nvdimm_clear_poison(struct device *dev, phys_addr_t phys,
return -ENXIO;
nd_desc = nvdimm_bus->nd_desc;
+ /*
+ * if ndctl does not exist, it's PMEM_LEGACY and
+ * we want to just pretend everything is handled.
+ */
if (!nd_desc->ndctl)
- return -ENXIO;
+ return len;
memset(&ars_cap, 0, sizeof(ars_cap));
ars_cap.address = phys;