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    From
    SubjectRE: Linux 2.6.11.6
    Date
     >  int bt_sock_unregister(int proto)
    > {
    > - if (proto >= BT_MAX_PROTO)
    > + if (proto < 0 || proto >= BT_MAX_PROTO)
    > return -EINVAL;

    Just curious: would it be better to say

    if ((unsigned int)proto >= BT_MAX_PTORO)

    ?

    Is it faster too?

    Hua
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