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char: don't exit on hmp 'chardev-add help'

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qemu_chr_new_from_opts() is used from both vl.c and hmp,
and it is quite confusing to see qemu suddenly exit after receiving a help
option in hmp.

Do exit(0) from vl.c instead.

Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Message-Id: <1500977081-120929-1-git-send-email-anton.nefedov@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Anton Nefedov 2017-07-25 13:04:41 +03:00 • committed by Paolo Bonzini
parent 4db0db1fa6
commit 0ec846bfac
3 changed files with 10 additions and 6 deletions
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10
vl.c
View file

@ -2344,10 +2344,12 @@ static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
{
Error *local_err = NULL;
qemu_chr_new_from_opts(opts, &local_err);
if (local_err) {
error_report_err(local_err);
return -1;
if (!qemu_chr_new_from_opts(opts, &local_err)) {
if (local_err) {
error_report_err(local_err);
return -1;
}
exit(0);
}
return 0;
}