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    Subject[PATCH 5.7 275/376] ima: Evaluate error in init_ima()
    Date
    From: Roberto Sassu <roberto.sassu@huawei.com>

    commit e144d6b265415ddbdc54b3f17f4f95133effa5a8 upstream.

    Evaluate error in init_ima() before register_blocking_lsm_notifier() and
    return if not zero.

    Cc: stable@vger.kernel.org # 5.3.x
    Fixes: b16942455193 ("ima: use the lsm policy update notifier")
    Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
    Reviewed-by: James Morris <jamorris@linux.microsoft.com>
    Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    security/integrity/ima/ima_main.c | 3 +++
    1 file changed, 3 insertions(+)

    --- a/security/integrity/ima/ima_main.c
    +++ b/security/integrity/ima/ima_main.c
    @@ -792,6 +792,9 @@ static int __init init_ima(void)
    error = ima_init();
    }

    + if (error)
    + return error;
    +
    error = register_blocking_lsm_notifier(&ima_lsm_policy_notifier);
    if (error)
    pr_warn("Couldn't register LSM notifier, error %d\n", error);

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