something odd in emu10k1/emufx

[Al Viro]

In copy_tlv() we have
        tlv = kmalloc(data[1] * 4 + sizeof(data), GFP_KERNEL);
        if (!tlv)
                return NULL;
        memcpy(tlv, data, sizeof(data));
        if (copy_from_user(tlv + 2, _tlv + 2, data[1])) {
                kfree(tlv);
                return NULL;
        }
which looks rather odd, since either we kmalloc too much or copy too little...
Comments?
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