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net: do not exit on "netdev_add help" monitor command

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"netdev_add help" is causing QEMU to exit because the code that
invokes show_netdevs is shared between CLI and HMP processing.
Move the check to the callers so that exit(0) remains only
in the CLI flow.

"netdev_add help" is not fixed by this patch; that is left for
later work.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Paolo Bonzini 2020-11-11 05:52:22 -05:00 • committed by Jason Wang
parent c2cb511634
commit ad6f932fe8
3 changed files with 43 additions and 36 deletions
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6
monitor/hmp-cmds.c
View file

@ -24,6 +24,7 @@
#include "qemu/option.h"
#include "qemu/timer.h"
#include "qemu/sockets.h"
#include "qemu/help_option.h"
#include "monitor/monitor-internal.h"
#include "qapi/error.h"
#include "qapi/clone-visitor.h"
@ -1631,7 +1632,12 @@ void hmp_netdev_add(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
QemuOpts *opts;
const char *type = qdict_get_try_str(qdict, "type");
if (type && is_help_option(type)) {
show_netdevs();
return;
}
opts = qemu_opts_from_qdict(qemu_find_opts("netdev"), qdict, &err);
if (err) {
goto out;