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usb-storage: use scsi_req_enqueue return value 

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2013-01-22 14:17:05 +01:00
parent 07d17e7720
commit 9db7c41419
1 changed files with 3 additions and 2 deletions
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5
hw/usb/dev-storage.c
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@ -400,6 +400,7 @@ static void usb_msd_handle_data(USBDevice *dev, USBPacket *p)
struct usb_msd_cbw cbw;
uint8_t devep = p->ep->nr;
SCSIDevice *scsi_dev;
uint32_t len;
switch (p->pid) {
case USB_TOKEN_OUT:
@ -441,8 +442,8 @@ static void usb_msd_handle_data(USBDevice *dev, USBPacket *p)
#ifdef DEBUG_MSD
scsi_req_print(s->req);
#endif
scsi_req_enqueue(s->req);
if (s->req && s->req->cmd.xfer != SCSI_XFER_NONE) {
len = scsi_req_enqueue(s->req);
if (len) {
scsi_req_continue(s->req);
}
break;