diff options
| author | James Morris <jmorris@macbook.(none)> | 2009-12-03 09:33:40 +0300 |
|---|---|---|
| committer | James Morris <jmorris@macbook.(none)> | 2009-12-03 09:33:40 +0300 |
| commit | c84d6efd363a3948eb32ec40d46bab6338580454 (patch) | |
| tree | 3ba7ac46e6626fe8ac843834588609eb6ccee5c6 /drivers/usb/serial/ipaq.c | |
| parent | 7539cf4b92be4aecc573ea962135f246a7a33401 (diff) | |
| parent | 22763c5cf3690a681551162c15d34d935308c8d7 (diff) | |
| download | linux-c84d6efd363a3948eb32ec40d46bab6338580454.tar.xz | |
Merge branch 'master' into next
Diffstat (limited to 'drivers/usb/serial/ipaq.c')
| -rw-r--r-- | drivers/usb/serial/ipaq.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index 24fcc64b837d..d6231c38813e 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -966,6 +966,15 @@ static int ipaq_calc_num_ports(struct usb_serial *serial) static int ipaq_startup(struct usb_serial *serial) { dbg("%s", __func__); + + /* Some of the devices in ipaq_id_table[] are composite, and we + * shouldn't bind to all the interfaces. This test will rule out + * some obviously invalid possibilities. + */ + if (serial->num_bulk_in < serial->num_ports || + serial->num_bulk_out < serial->num_ports) + return -ENODEV; + if (serial->dev->actconfig->desc.bConfigurationValue != 1) { /* * FIXME: HP iPaq rx3715, possibly others, have 1 config that |