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Differential D9770 Diff 29395 head/sys/netinet/tcp_timewait.c

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head/sys/netinet/tcp_timewait.c

Show First 20 Lines • Show All 346 Lines • ▼ Show 20 Lines */
* If the inpcb owns the sole reference to the socket, then we can * If the inpcb owns the sole reference to the socket, then we can
* detach and free the socket as it is not needed in time wait. * detach and free the socket as it is not needed in time wait.
*/ */
if (inp->inp_flags & INP_SOCKREF) { if (inp->inp_flags & INP_SOCKREF) {
KASSERT(so->so_state & SS_PROTOREF, KASSERT(so->so_state & SS_PROTOREF,
("tcp_twstart: !SS_PROTOREF")); ("tcp_twstart: !SS_PROTOREF"));
inp->inp_flags &= ~INP_SOCKREF; inp->inp_flags &= ~INP_SOCKREF;
INP_WUNLOCK(inp); INP_WUNLOCK(inp);
ACCEPT_LOCK();
SOCK_LOCK(so); SOCK_LOCK(so);
so->so_state &= ~SS_PROTOREF; so->so_state &= ~SS_PROTOREF;
sofree(so); sofree(so);
} else } else
INP_WUNLOCK(inp); INP_WUNLOCK(inp);
} }
/* /*
▲ Show 20 Lines • Show All 122 Lines • ▼ Show 20 Lines if (so != NULL) {
* If there's a socket, handle two cases: first, we own a * If there's a socket, handle two cases: first, we own a
* strong reference, which we will now release, or we don't * strong reference, which we will now release, or we don't
* in which case another reference exists (XXXRW: think * in which case another reference exists (XXXRW: think
* about this more), and we don't need to take action. * about this more), and we don't need to take action.
*/ */
if (inp->inp_flags & INP_SOCKREF) { if (inp->inp_flags & INP_SOCKREF) {
inp->inp_flags &= ~INP_SOCKREF; inp->inp_flags &= ~INP_SOCKREF;
INP_WUNLOCK(inp); INP_WUNLOCK(inp);
ACCEPT_LOCK();
SOCK_LOCK(so); SOCK_LOCK(so);
KASSERT(so->so_state & SS_PROTOREF, KASSERT(so->so_state & SS_PROTOREF,
("tcp_twclose: INP_SOCKREF && !SS_PROTOREF")); ("tcp_twclose: INP_SOCKREF && !SS_PROTOREF"));
so->so_state &= ~SS_PROTOREF; so->so_state &= ~SS_PROTOREF;
sofree(so); sofree(so);
} else { } else {
/* /*
* If we don't own the only reference, the socket and * If we don't own the only reference, the socket and
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