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At any step when any validation fail in check_erst_backend_storage(), there is no need to continue further through other validation checks. Further, by continuing even when record_size is 0, we run the risk of triggering a divide by zero error if we continued with other validation checks. Hence, we should simply return from this function upon validation failure. CC: Peter Maydell <peter.maydell@linaro.org> CC: Eric DeVolder <eric.devolder@oracle.com> Signed-off-by: Ani Sinha <ani@anisinha.ca> Message-Id: <20220513141005.1929422-1-ani@anisinha.ca> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eric DeVolder <eric.devolder@oracle.com>