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Revert "usb-storage: Drop useless null test in usb_msd_handle_data()" 

This reverts commit a1cbfd554e.

Test isn't useless.  scsi_req_enqueue() may finish the request (will
actually happen for requests which don't trigger any I/O such as
INQUIRY), then call usb_msd_command_complete() which in turn will
set s->req to NULL after unref'ing it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
master
Gerd Hoffmann 2013-01-21 11:18:47 +01:00
parent 1356b98d3e
commit f4c0e5011b
1 changed files with 1 additions and 1 deletions
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2
hw/usb/dev-storage.c
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@ -427,7 +427,7 @@ static void usb_msd_handle_data(USBDevice *dev, USBPacket *p)
scsi_req_print(s->req);
#endif
scsi_req_enqueue(s->req);
if (s->req->cmd.xfer != SCSI_XFER_NONE) {
if (s->req && s->req->cmd.xfer != SCSI_XFER_NONE) {
scsi_req_continue(s->req);
}
break;