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net: convert BUG_TRAP to generic WARN_ON

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Removes legacy reinvent-the-wheel type thing. The generic
machinery integrates much better to automated debugging aids
such as kerneloops.org (and others), and is unambiguous due to
better naming. Non-intuively BUG_TRAP() is actually equal to
WARN_ON() rather than BUG_ON() though some might actually be
promoted to BUG_ON() but I left that to future.

I could make at least one BUILD_BUG_ON conversion.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilpo Järvinen 2008-07-25 21:43:18 -07:00 • committed by David S. Miller
parent 53e5e96ec1
commit 547b792cac
51 changed files with 159 additions and 155 deletions
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12
net/ipv4/tcp.c
View file

@ -1096,7 +1096,7 @@ void tcp_cleanup_rbuf(struct sock *sk, int copied)
#if TCP_DEBUG
struct sk_buff *skb = skb_peek(&sk->sk_receive_queue);
BUG_TRAP(!skb || before(tp->copied_seq, TCP_SKB_CB(skb)->end_seq));
WARN_ON(skb && !before(tp->copied_seq, TCP_SKB_CB(skb)->end_seq));
#endif
if (inet_csk_ack_scheduled(sk)) {
@ -1358,7 +1358,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
goto found_ok_skb;
if (tcp_hdr(skb)->fin)
goto found_fin_ok;
BUG_TRAP(flags & MSG_PEEK);
WARN_ON(!(flags & MSG_PEEK));
skb = skb->next;
} while (skb != (struct sk_buff *)&sk->sk_receive_queue);
@ -1421,8 +1421,8 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
tp->ucopy.len = len;
BUG_TRAP(tp->copied_seq == tp->rcv_nxt ||
(flags & (MSG_PEEK | MSG_TRUNC)));
WARN_ON(tp->copied_seq != tp->rcv_nxt &&
!(flags & (MSG_PEEK | MSG_TRUNC)));
/* Ugly... If prequeue is not empty, we have to
* process it before releasing socket, otherwise
@ -1844,7 +1844,7 @@ adjudge_to_death:
*/
local_bh_disable();
bh_lock_sock(sk);
BUG_TRAP(!sock_owned_by_user(sk));
WARN_ON(sock_owned_by_user(sk));
/* Have we already been destroyed by a softirq or backlog? */
if (state != TCP_CLOSE && sk->sk_state == TCP_CLOSE)
@ -1973,7 +1973,7 @@ int tcp_disconnect(struct sock *sk, int flags)
memset(&tp->rx_opt, 0, sizeof(tp->rx_opt));
__sk_dst_reset(sk);
BUG_TRAP(!inet->num || icsk->icsk_bind_hash);
WARN_ON(inet->num && !icsk->icsk_bind_hash);
sk->sk_error_report(sk);
return err;