[Qemu-devel] [PULL 33/49] qemu-char: convert null backend to data-driven creation

[Paolo Bonzini]

Reviewed-by: Eric Blake <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
 qemu-char.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/qemu-char.c b/qemu-char.c
index 9adf2cc..a6e97ce 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -383,7 +383,10 @@ static int null_chr_write(CharDriverState *chr, const 
uint8_t *buf, int len)
     return len;
 }
 
-static CharDriverState *qemu_chr_open_null(void)
+static CharDriverState *qemu_chr_open_null(const char *id,
+                                           ChardevBackend *backend,
+                                           ChardevReturn *ret,
+                                           Error **errp)
 {
     CharDriverState *chr;
 
@@ -4303,7 +4306,7 @@ ChardevReturn *qmp_chardev_add(const char *id, 
ChardevBackend *backend,
             abort();
             break;
         case CHARDEV_BACKEND_KIND_NULL:
-            chr = qemu_chr_open_null();
+            abort();
             break;
         case CHARDEV_BACKEND_KIND_MUX:
             base = qemu_chr_find(backend->mux->chardev);
@@ -4406,7 +4409,7 @@ void qmp_chardev_remove(const char *id, Error **errp)
 static void register_types(void)
 {
     register_char_driver("null", CHARDEV_BACKEND_KIND_NULL, NULL,
-                         NULL);
+                         qemu_chr_open_null);
     register_char_driver("socket", CHARDEV_BACKEND_KIND_SOCKET,
                          qemu_chr_parse_socket, qmp_chardev_open_socket);
     register_char_driver("udp", CHARDEV_BACKEND_KIND_UDP, qemu_chr_parse_udp,
-- 
2.5.0