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IB/uverbs: Fix validating mandatory attributes 

Previously, if a method contained mandatory attributes in a namespace
that wasn't given by the user, these attributes weren't validated.
Fixing this by iterating over all specification namespaces.

Fixes: fac9658cab ("IB/core: Add new ioctl interface")
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Matan Barak 2018-04-24 08:15:20 +00:00 committed by Doug Ledford
parent 26bff1bd74
commit f604db645a
1 changed files with 9 additions and 0 deletions
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9
drivers/infiniband/core/uverbs_ioctl.c
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@ -234,6 +234,15 @@ static int uverbs_validate_kernel_mandatory(const struct uverbs_method_spec *met
return -EINVAL;
}
for (; i < method_spec->num_buckets; i++) {
struct uverbs_attr_spec_hash *attr_spec_bucket =
method_spec->attr_buckets[i];
if (!bitmap_empty(attr_spec_bucket->mandatory_attrs_bitmask,
attr_spec_bucket->num_attrs))
return -EINVAL;
}
return 0;
}