slirp: Use g_new() to allocate sockets in socreate()

The slirp socreate() function can only fail if the attempt
to malloc() the struct socket fails. Switch to using
g_new() instead, which will allow us to remove the
error-handling code from its callers.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
master
Peter Maydell 2018-11-06 15:13:21 +00:00 committed by Samuel Thibault
parent c41868152a
commit 84ec9bfaf2
3 changed files with 9 additions and 11 deletions

View File

@ -46,17 +46,15 @@ struct socket *solookup(struct socket **last, struct socket *head,
struct socket * struct socket *
socreate(Slirp *slirp) socreate(Slirp *slirp)
{ {
struct socket *so; struct socket *so = g_new(struct socket, 1);
so = (struct socket *)malloc(sizeof(struct socket));
if(so) {
memset(so, 0, sizeof(struct socket)); memset(so, 0, sizeof(struct socket));
so->so_state = SS_NOFDREF; so->so_state = SS_NOFDREF;
so->s = -1; so->s = -1;
so->slirp = slirp; so->slirp = slirp;
so->pollfds_idx = -1; so->pollfds_idx = -1;
}
return(so); return so;
} }
/* /*
@ -110,7 +108,7 @@ sofree(struct socket *so)
if (so->so_tcpcb) { if (so->so_tcpcb) {
free(so->so_tcpcb); free(so->so_tcpcb);
} }
free(so); g_free(so);
} }
size_t sopreprbuf(struct socket *so, struct iovec *iov, int *np) size_t sopreprbuf(struct socket *so, struct iovec *iov, int *np)
@ -721,7 +719,7 @@ tcp_listen(Slirp *slirp, uint32_t haddr, u_int hport, uint32_t laddr,
/* Don't tcp_attach... we don't need so_snd nor so_rcv */ /* Don't tcp_attach... we don't need so_snd nor so_rcv */
if ((so->so_tcpcb = tcp_newtcpcb(so)) == NULL) { if ((so->so_tcpcb = tcp_newtcpcb(so)) == NULL) {
free(so); g_free(so);
return NULL; return NULL;
} }
insque(so, &slirp->tcb); insque(so, &slirp->tcb);

View File

@ -432,7 +432,7 @@ findso:
if ((so = socreate(slirp)) == NULL) if ((so = socreate(slirp)) == NULL)
goto dropwithreset; goto dropwithreset;
if (tcp_attach(so) < 0) { if (tcp_attach(so) < 0) {
free(so); /* Not sofree (if it failed, it's not insqued) */ g_free(so); /* Not sofree (if it failed, it's not insqued) */
goto dropwithreset; goto dropwithreset;
} }

View File

@ -475,7 +475,7 @@ void tcp_connect(struct socket *inso)
return; return;
} }
if (tcp_attach(so) < 0) { if (tcp_attach(so) < 0) {
free(so); /* NOT sofree */ g_free(so); /* NOT sofree */
return; return;
} }
so->lhost = inso->lhost; so->lhost = inso->lhost;