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staging: usbip: vhci: friendly log messages for connection errors 

Also changes the event on connection close to be
VDEV_EVENT_DOWN - no functional change.

Signed-off-by: Max Vozeler <max@vozeler.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Max Vozeler 2011-01-12 15:02:03 +02:00 committed by Greg Kroah-Hartman
parent 6d212153a8
commit 7e249c8b07
1 changed files with 14 additions and 2 deletions
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16
drivers/staging/usbip/vhci_rx.c
View File

@ -205,11 +205,23 @@ static void vhci_rx_pdu(struct usbip_device *ud)
memset(&pdu, 0, sizeof(pdu)); memset(&pdu, 0, sizeof(pdu));
/* 1. receive a pdu header */ /* 1. receive a pdu header */
ret = usbip_xmit(0, ud->tcp_socket, (char *) &pdu, sizeof(pdu), 0); ret = usbip_xmit(0, ud->tcp_socket, (char *) &pdu, sizeof(pdu), 0);
if (ret < 0) {
if (ret == -ECONNRESET)
usbip_uinfo("connection reset by peer\n");
else if (ret != -ERESTARTSYS)
usbip_uinfo("xmit failed %d\n", ret);
usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
return;
}
if (ret == 0) {
usbip_uinfo("connection closed");
usbip_event_add(ud, VDEV_EVENT_DOWN);
return;
}
if (ret != sizeof(pdu)) { if (ret != sizeof(pdu)) {
usbip_uerr("receiving pdu failed! size is %d, should be %d\n", usbip_uerr("received pdu size is %d, should be %d\n",
ret, (unsigned int)sizeof(pdu)); ret, (unsigned int)sizeof(pdu));
usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
return; return;