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net: Move error reporting from net_init_client/netdev to the calling site

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It looks strange that net_init_client() and net_init_netdev() both
take an "Error **errp" parameter, but then do the error reporting
with "error_report_err(local_err)" on their own. Let's move the
error reporting to the calling site instead to simplify this code
a little bit.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Thomas Huth 2018-02-21 11:18:30 +01:00 • committed by Jason Wang
parent 136c67e078
commit 34f708b0b6
3 changed files with 8 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/net/net.h
View file

@ -206,7 +206,7 @@ extern const char *legacy_bootp_filename;
int net_client_init(QemuOpts *opts, bool is_netdev, Error **errp);
int net_client_parse(QemuOptsList *opts_list, const char *str);
int net_init_clients(void);
int net_init_clients(Error **errp);
void net_check_clients(void);
void net_cleanup(void);
void hmp_host_net_add(Monitor *mon, const QDict *qdict);

29
net/net.c
View file

@ -1520,46 +1520,27 @@ void net_check_clients(void)
static int net_init_client(void *dummy, QemuOpts *opts, Error **errp)
{
Error *local_err = NULL;
net_client_init(opts, false, &local_err);
if (local_err) {
error_report_err(local_err);
return -1;
}
return 0;
return net_client_init(opts, false, errp);
}
static int net_init_netdev(void *dummy, QemuOpts *opts, Error **errp)
{
Error *local_err = NULL;
int ret;
ret = net_client_init(opts, true, &local_err);
if (local_err) {
error_report_err(local_err);
return -1;
return net_client_init(opts, true, errp);
}
return ret;
}
int net_init_clients(void)
int net_init_clients(Error **errp)
{
QemuOptsList *net = qemu_find_opts("net");
net_change_state_entry =
qemu_add_vm_change_state_handler(net_vm_change_state_handler, NULL);
QTAILQ_INIT(&net_clients);
if (qemu_opts_foreach(qemu_find_opts("netdev"),
net_init_netdev, NULL, NULL)) {
net_init_netdev, NULL, errp)) {
return -1;
}
if (qemu_opts_foreach(net, net_init_client, NULL, NULL)) {
if (qemu_opts_foreach(qemu_find_opts("net"), net_init_client, NULL, errp)) {
return -1;
}

3
vl.c
View file

@ -4489,7 +4489,8 @@ int main(int argc, char **argv, char **envp)
colo_info_init();
if (net_init_clients() < 0) {
if (net_init_clients(&err) < 0) {
error_report_err(err);
exit(1);
}