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Add further TCP inpcb locking assertions to some TCP input code paths.

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MFC after:	1 month
This commit is contained in:
Robert Watson 2008-04-07 12:41:45 +00:00
parent 4fb9bf66ad
commit 7a3244ccb7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=177978
1 changed files with 11 additions and 0 deletions
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11
sys/netinet/tcp_input.c
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@ -2435,6 +2435,11 @@ tcp_dropwithreset(struct mbuf *m, struct tcphdr *th, struct tcpcb *tp,
#ifdef INET6
struct ip6_hdr *ip6;
#endif
if (tp != NULL) {
INP_LOCK_ASSERT(tp->t_inpcb);
}
/* Don't bother if destination was broadcast/multicast. */
if ((th->th_flags & TH_RST) || m->m_flags & (M_BCAST|M_MCAST))
goto drop;
@ -2584,6 +2589,8 @@ tcp_pulloutofband(struct socket *so, struct tcphdr *th, struct mbuf *m,
char *cp = mtod(m, caddr_t) + cnt;
struct tcpcb *tp = sototcpcb(so);
INP_LOCK_ASSERT(tp->t_inpcb);
tp->t_iobc = *cp;
tp->t_oobflags |= TCPOOB_HAVEDATA;
bcopy(cp+1, cp, (unsigned)(m->m_len - cnt - 1));
@ -2729,6 +2736,8 @@ tcp_mss(struct tcpcb *tp, int offer)
const size_t min_protoh = sizeof(struct tcpiphdr);
#endif
INP_LOCK_ASSERT(tp->t_inpcb);
/* Initialize. */
#ifdef INET6
if (isipv6) {
@ -2997,6 +3006,8 @@ tcp_newreno_partial_ack(struct tcpcb *tp, struct tcphdr *th)
tcp_seq onxt = tp->snd_nxt;
u_long ocwnd = tp->snd_cwnd;
INP_LOCK_ASSERT(tp->t_inpcb);
tcp_timer_activate(tp, TT_REXMT, 0);
tp->t_rtttime = 0;
tp->snd_nxt = th->th_ack;