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tcp: Return bool instead of int where appropriate

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Applied to a set of static inline functions in tcp_input.c

Signed-off-by: Vijay Subramanian <subramanian.vijay@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vijay Subramanian 2012-07-19 21:32:18 +00:00 committed by David S. Miller
parent 36e90319f3
commit 67b95bd78f
1 changed files with 8 additions and 8 deletions
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16
net/ipv4/tcp_input.c
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@ -2521,7 +2521,7 @@ static void tcp_cwnd_down(struct sock *sk, int flag)
/* Nothing was retransmitted or returned timestamp is less
* than timestamp of the first retransmission.
*/
static inline int tcp_packet_delayed(const struct tcp_sock *tp)
static inline bool tcp_packet_delayed(const struct tcp_sock *tp)
{
return !tp->retrans_stamp ||
(tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr &&
@ -2582,7 +2582,7 @@ static void tcp_undo_cwr(struct sock *sk, const bool undo_ssthresh)
tp->snd_cwnd_stamp = tcp_time_stamp;
}
static inline int tcp_may_undo(const struct tcp_sock *tp)
static inline bool tcp_may_undo(const struct tcp_sock *tp)
{
return tp->undo_marker && (!tp->undo_retrans || tcp_packet_delayed(tp));
}
@ -3371,13 +3371,13 @@ static void tcp_ack_probe(struct sock *sk)
}
}
static inline int tcp_ack_is_dubious(const struct sock *sk, const int flag)
static inline bool tcp_ack_is_dubious(const struct sock *sk, const int flag)
{
return !(flag & FLAG_NOT_DUP) || (flag & FLAG_CA_ALERT) ||
inet_csk(sk)->icsk_ca_state != TCP_CA_Open;
}
static inline int tcp_may_raise_cwnd(const struct sock *sk, const int flag)
static inline bool tcp_may_raise_cwnd(const struct sock *sk, const int flag)
{
const struct tcp_sock *tp = tcp_sk(sk);
return (!(flag & FLAG_ECE) || tp->snd_cwnd < tp->snd_ssthresh) &&
@ -3387,7 +3387,7 @@ static inline int tcp_may_raise_cwnd(const struct sock *sk, const int flag)
/* Check that window update is acceptable.
* The function assumes that snd_una<=ack<=snd_next.
*/
static inline int tcp_may_update_window(const struct tcp_sock *tp,
static inline bool tcp_may_update_window(const struct tcp_sock *tp,
const u32 ack, const u32 ack_seq,
const u32 nwin)
{
@ -4006,7 +4006,7 @@ static int tcp_disordered_ack(const struct sock *sk, const struct sk_buff *skb)
(s32)(tp->rx_opt.ts_recent - tp->rx_opt.rcv_tsval) <= (inet_csk(sk)->icsk_rto * 1024) / HZ);
}
static inline int tcp_paws_discard(const struct sock *sk,
static inline bool tcp_paws_discard(const struct sock *sk,
const struct sk_buff *skb)
{
const struct tcp_sock *tp = tcp_sk(sk);
@ -4028,7 +4028,7 @@ static inline int tcp_paws_discard(const struct sock *sk,
* (borrowed from freebsd)
*/
static inline int tcp_sequence(const struct tcp_sock *tp, u32 seq, u32 end_seq)
static inline bool tcp_sequence(const struct tcp_sock *tp, u32 seq, u32 end_seq)
{
return !before(end_seq, tp->rcv_wup) &&
!after(seq, tp->rcv_nxt + tcp_receive_window(tp));
@ -5214,7 +5214,7 @@ static __sum16 __tcp_checksum_complete_user(struct sock *sk,
return result;
}
static inline int tcp_checksum_complete_user(struct sock *sk,
static inline bool tcp_checksum_complete_user(struct sock *sk,
struct sk_buff *skb)
{
return !skb_csum_unnecessary(skb) &&