Avoid crash if -redir or -smb used without -net user.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1760 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/vl.c b/vl.c
index 97eddbf..8d1fa37 100644
--- a/vl.c
+++ b/vl.c
@@ -1926,7 +1926,7 @@
int slirp_can_output(void)
{
- return qemu_can_send_packet(slirp_vc);
+ return !slirp_vc || qemu_can_send_packet(slirp_vc);
}
void slirp_output(const uint8_t *pkt, int pkt_len)
@@ -1935,6 +1935,8 @@
printf("slirp output:\n");
hex_dump(stdout, pkt, pkt_len);
#endif
+ if (!slirp_vc)
+ return;
qemu_send_packet(slirp_vc, pkt, pkt_len);
}