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hso: fix for the 'invalid frame length' messages

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Some devices cannot send very short usb transfers. To get around this the
firmware adds a known pattern and flags the driver that it should check for
this pattern on short transfers. This flag was not taken into account by
the driver.

Signed-off-by: Jan Dumon <j.dumon@option.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jan Dumon 2009-04-01 22:59:07 +00:00 committed by David S. Miller
parent 3b7d2b319d
commit 0de8ca597d
1 changed files with 6 additions and 4 deletions
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10
drivers/net/usb/hso.c
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@ -2536,14 +2536,15 @@ static void hso_create_rfkill(struct hso_device *hso_dev,
} }
/* Creates our network device */ /* Creates our network device */
static struct hso_device *hso_create_net_device(struct usb_interface *interface) static struct hso_device *hso_create_net_device(struct usb_interface *interface,
int port_spec)
{ {
int result, i; int result, i;
struct net_device *net; struct net_device *net;
struct hso_net *hso_net; struct hso_net *hso_net;
struct hso_device *hso_dev; struct hso_device *hso_dev;
hso_dev = hso_create_device(interface, HSO_INTF_MUX | HSO_PORT_NETWORK); hso_dev = hso_create_device(interface, port_spec);
if (!hso_dev) if (!hso_dev)
return NULL; return NULL;
@ -2943,7 +2944,8 @@ static int hso_probe(struct usb_interface *interface,
if ((port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK) { if ((port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK) {
/* Create the network device */ /* Create the network device */
if (!disable_net) { if (!disable_net) {
hso_dev = hso_create_net_device(interface); hso_dev = hso_create_net_device(interface,
port_spec);
if (!hso_dev) if (!hso_dev)
goto exit; goto exit;
tmp_dev = hso_dev; tmp_dev = hso_dev;
@ -2975,7 +2977,7 @@ static int hso_probe(struct usb_interface *interface,
/* It's a regular bulk interface */ /* It's a regular bulk interface */
if (((port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK) if (((port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK)
&& !disable_net) && !disable_net)
hso_dev = hso_create_net_device(interface); hso_dev = hso_create_net_device(interface, port_spec);
else else
hso_dev = hso_dev =
hso_create_bulk_serial_device(interface, port_spec); hso_create_bulk_serial_device(interface, port_spec);