hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I4C9AE
CVE: NA

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As part of the imans support, a key domain tag is added to the search
criteria in digsig module. When IMA Namespace is disabled, the initial
ima namespace domain tag should be used instead of nsproxy.
Signed-off-by: NAjo Jose Panoor <ajo.jose.panoor@huawei.com>
Reviewed-by: NZhang Tianxing <zhangtianxing3@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>