[Qemu-devel] [PATCH for-2.7] wxx: Fix compilation of host-libusb.c

[Stefan Weil <sw@weilnetz.de>]

libusb.h uses the WINAPI calling convention for all function callbacks.

Cross compilation with Mingw-w64 on Cygwin fails when this calling
convention is missing.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
---
 hw/usb/host-libusb.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
index da59c29..c632fd8 100644
--- a/hw/usb/host-libusb.c
+++ b/hw/usb/host-libusb.c
@@ -358,7 +358,7 @@ static USBHostRequest *usb_host_req_find(USBHostDevice *s, USBPacket *p)
     return NULL;
 }
 
-static void usb_host_req_complete_ctrl(struct libusb_transfer *xfer)
+static void LIBUSB_CALL usb_host_req_complete_ctrl(struct libusb_transfer *xfer)
 {
     USBHostRequest *r = xfer->user_data;
     USBHostDevice  *s = r->host;
@@ -391,7 +391,7 @@ out:
     }
 }
 
-static void usb_host_req_complete_data(struct libusb_transfer *xfer)
+static void LIBUSB_CALL usb_host_req_complete_data(struct libusb_transfer *xfer)
 {
     USBHostRequest *r = xfer->user_data;
     USBHostDevice  *s = r->host;
@@ -447,7 +447,8 @@ static void usb_host_req_abort(USBHostRequest *r)
 
 /* ------------------------------------------------------------------------ */
 
-static void usb_host_req_complete_iso(struct libusb_transfer *transfer)
+static void LIBUSB_CALL
+usb_host_req_complete_iso(struct libusb_transfer *transfer)
 {
     USBHostIsoXfer *xfer = transfer->user_data;
 
-- 
2.1.4