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-rw-r--r--drivers/nvdimm/label.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/nvdimm/label.c b/drivers/nvdimm/label.c
index 1d28cd656536..1f5842509dbc 100644
--- a/drivers/nvdimm/label.c
+++ b/drivers/nvdimm/label.c
@@ -183,6 +183,13 @@ static int __nd_label_validate(struct nvdimm_drvdata *ndd)
__le64_to_cpu(nsindex[i]->otheroff));
continue;
}
+ if (__le64_to_cpu(nsindex[i]->labeloff)
+ != 2 * sizeof_namespace_index(ndd)) {
+ dev_dbg(dev, "nsindex%d labeloff: %#llx invalid\n",
+ i, (unsigned long long)
+ __le64_to_cpu(nsindex[i]->labeloff));
+ continue;
+ }
size = __le64_to_cpu(nsindex[i]->mysize);
if (size > sizeof_namespace_index(ndd)

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