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'firmware' is a module param which may been longer than firmware_id, so using strlcpy() to guard against overflows. Also priv is allocated with zeroed memory,no need to set firmware_id[0] to '\0'. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>