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