[Qemu-devel] [PATCH 1/7] usb: usb_create() can't fail, drop useless error handling

[Markus Armbruster]

Signed-off-by: Markus Armbruster <address@hidden>
---
 hw/usb/bus.c           | 4 ----
 hw/usb/dev-bluetooth.c | 6 +-----
 hw/usb/dev-network.c   | 3 ---
 hw/usb/dev-serial.c    | 3 ---
 hw/usb/dev-storage.c   | 3 ---
 5 files changed, 1 insertion(+), 18 deletions(-)

diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index 986b2d8..eeb6872 100644
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -320,10 +320,6 @@ USBDevice *usb_create_simple(USBBus *bus, const char *name)
     USBDevice *dev = usb_create(bus, name);
     int rc;
 
-    if (!dev) {
-        error_report("Failed to create USB device '%s'", name);
-        return NULL;
-    }
     rc = qdev_init(&dev->qdev);
     if (rc < 0) {
         error_report("Failed to initialize USB device '%s'", name);
diff --git a/hw/usb/dev-bluetooth.c b/hw/usb/dev-bluetooth.c
index 390d475..8b3b316 100644
--- a/hw/usb/dev-bluetooth.c
+++ b/hw/usb/dev-bluetooth.c
@@ -530,14 +530,10 @@ static USBDevice *usb_bt_init(USBBus *bus, const char 
*cmdline)
     } else {
         hci = bt_new_hci(qemu_find_bt_vlan(0));
     }
-
     if (!hci)
         return NULL;
+
     dev = usb_create(bus, name);
-    if (!dev) {
-        error_report("Failed to create USB device '%s'", name);
-        return NULL;
-    }
     s = DO_UPCAST(struct USBBtState, dev, dev);
     s->hci = hci;
     if (qdev_init(&dev->qdev) < 0) {
diff --git a/hw/usb/dev-network.c b/hw/usb/dev-network.c
index 5b95d5c..620fc11 100644
--- a/hw/usb/dev-network.c
+++ b/hw/usb/dev-network.c
@@ -1405,9 +1405,6 @@ static USBDevice *usb_net_init(USBBus *bus, const char 
*cmdline)
     }
 
     dev = usb_create(bus, "usb-net");
-    if (!dev) {
-        return NULL;
-    }
     qdev_set_nic_properties(&dev->qdev, &nd_table[idx]);
     qdev_init_nofail(&dev->qdev);
     return dev;
diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c
index 1cee450..f347c05 100644
--- a/hw/usb/dev-serial.c
+++ b/hw/usb/dev-serial.c
@@ -544,9 +544,6 @@ static USBDevice *usb_serial_init(USBBus *bus, const char 
*filename)
         return NULL;
 
     dev = usb_create(bus, "usb-serial");
-    if (!dev) {
-        return NULL;
-    }
     qdev_prop_set_chr(&dev->qdev, "chardev", cdrv);
     if (vendorid)
         qdev_prop_set_uint16(&dev->qdev, "vendorid", vendorid);
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 4539733..5f22275 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -706,9 +706,6 @@ static USBDevice *usb_msd_init(USBBus *bus, const char 
*filename)
 
     /* create guest device */
     dev = usb_create(bus, "usb-storage");
-    if (!dev) {
-        return NULL;
-    }
     if (qdev_prop_set_drive(&dev->qdev, "drive",
                             blk_by_legacy_dinfo(dinfo)) < 0) {
         object_unparent(OBJECT(dev));
-- 
1.9.3