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net: Make sock protocol value checks more specific
SK_PROTOCOL_MAX is only used in two places, for DECNet and AX.25. The limits have more to do with the those protocol definitions than they do with the data type of sk_protocol, so remove SK_PROTOCOL_MAX and use U8_MAX directly. Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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6b3acfc3cc
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3 changed files with 2 additions and 3 deletions
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@ -458,7 +458,6 @@ struct sock {
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sk_userlocks : 4,
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sk_protocol : 8,
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sk_type : 16;
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#define SK_PROTOCOL_MAX U8_MAX
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u16 sk_gso_max_segs;
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u8 sk_pacing_shift;
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unsigned long sk_lingertime;
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@ -808,7 +808,7 @@ static int ax25_create(struct net *net, struct socket *sock, int protocol,
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struct sock *sk;
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ax25_cb *ax25;
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if (protocol < 0 || protocol > SK_PROTOCOL_MAX)
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if (protocol < 0 || protocol > U8_MAX)
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return -EINVAL;
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if (!net_eq(net, &init_net))
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@ -670,7 +670,7 @@ static int dn_create(struct net *net, struct socket *sock, int protocol,
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{
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struct sock *sk;
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if (protocol < 0 || protocol > SK_PROTOCOL_MAX)
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if (protocol < 0 || protocol > U8_MAX)
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return -EINVAL;
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if (!net_eq(net, &init_net))
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