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usb: Propagate errors through usb_register_companion()

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This loses the messages explaining the error printed with
error_printf_unless_qmp().  The next commit will make up for the loss.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Markus Armbruster 2015-02-17 14:28:02 +01:00 • committed by Gerd Hoffmann
parent 5a4992834d
commit f4bbaaf584
5 changed files with 44 additions and 28 deletions
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12
include/hw/usb.h
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@ -526,8 +526,9 @@ struct USBBus {
};
struct USBBusOps {
int (*register_companion)(USBBus *bus, USBPort *ports[],
uint32_t portcount, uint32_t firstport);
void (*register_companion)(USBBus *bus, USBPort *ports[],
uint32_t portcount, uint32_t firstport,
Error **errp);
void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep, unsigned int stream);
};
@ -543,9 +544,10 @@ USBDevice *usb_create_simple(USBBus *bus, const char *name);
USBDevice *usbdevice_create(const char *cmdline);
void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
USBPortOps *ops, int speedmask);
int usb_register_companion(const char *masterbus, USBPort *ports[],
uint32_t portcount, uint32_t firstport,
void *opaque, USBPortOps *ops, int speedmask);
void usb_register_companion(const char *masterbus, USBPort *ports[],
uint32_t portcount, uint32_t firstport,
void *opaque, USBPortOps *ops, int speedmask,
Error **errp);
void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr);
void usb_unregister_port(USBBus *bus, USBPort *port);
void usb_claim_port(USBDevice *dev, Error **errp);