usb: mtp: reply INCOMPLETE_TRANSFER on read errors

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Peter Wu <peter@lekensteyn.nl>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Gerd Hoffmann 2014-04-25 12:37:49 +02:00
parent afa82daf16
commit 8ebb876357
1 changed files with 3 additions and 1 deletions

View File

@ -50,6 +50,7 @@ enum mtp_code {
RES_INVALID_TRANSACTION_ID = 0x2004,
RES_OPERATION_NOT_SUPPORTED = 0x2005,
RES_PARAMETER_NOT_SUPPORTED = 0x2006,
RES_INCOMPLETE_TRANSFER = 0x2007,
RES_INVALID_STORAGE_ID = 0x2008,
RES_INVALID_OBJECT_HANDLE = 0x2009,
RES_SPEC_BY_FORMAT_UNSUPPORTED = 0x2014,
@ -946,7 +947,8 @@ static void usb_mtp_handle_data(USBDevice *dev, USBPacket *p)
}
rc = read(d->fd, d->data, dlen);
if (rc != dlen) {
fprintf(stderr, "%s: TODO: handle read error\n", __func__);
memset(d->data, 0, dlen);
s->result->code = RES_INCOMPLETE_TRANSFER;
}
usb_packet_copy(p, d->data, dlen);
}