char: use common error path in qmp_chardev_add

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20161022100951.19562-6-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/qemu-char.c b/qemu-char.c
index 02adea41664bd555794c7587527222afec575fad..5e9684d61dde8cee22623b76a7313b414f24158b 100644 (file)
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -4752,8 +4752,7 @@ ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend,
     chr = qemu_chr_find(id);
     if (chr) {
         error_setg(errp, "Chardev '%s' already exists", id);
-        g_free(ret);
-        return NULL;
+        goto out_error;
     }
 
     for (i = backends; i; i = i->next) {