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| author |   Jiri Kosina <jkosina@suse.cz> | 2012-08-27 08:04:24 -0700 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-08-27 08:05:17 -0700 |
| commit | 66a61fc0b2c3475f26f65b5f29ed5945b8efbf9e (patch) | |
| tree | 28ebaaee56786cd9199e0e5802d166474d30d1e3 /drivers/usb/class/cdc-acm.c | |
| parent | HID: hid-debug: Show rdesc for unclaimed devices (diff) | |
| parent | Merge branch 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid (diff) | |
| download | wireguard-linux-66a61fc0b2c3475f26f65b5f29ed5945b8efbf9e.tar.xz wireguard-linux-66a61fc0b2c3475f26f65b5f29ed5945b8efbf9e.zip | |
Merge branch 'master' into upstream
Sync with Linus' tree so that we don't have build falures
due to Quanta 3001 ID reshuffling.
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 36a2a0b7b82c..f763ed7ba91e 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -996,7 +996,7 @@ static int acm_probe(struct usb_interface *intf, case USB_CDC_CALL_MANAGEMENT_TYPE: call_management_function = buffer[3]; call_interface_num = buffer[4]; - if ( (quirks & NOT_A_MODEM) == 0 && (call_management_function & 3) != 3) + if ((quirks & NOT_A_MODEM) == 0 && (call_management_function & 3) != 3) dev_err(&intf->dev, "This device cannot do calls on its own. It is not a modem.\n"); break; default: @@ -1104,7 +1104,8 @@ skip_normal_probe: } - if (data_interface->cur_altsetting->desc.bNumEndpoints < 2) + if (data_interface->cur_altsetting->desc.bNumEndpoints < 2 || + control_interface->cur_altsetting->desc.bNumEndpoints == 0) return -EINVAL; epctrl = &control_interface->cur_altsetting->endpoint[0].desc; |