Signed-off-by: Thomas Tuttle <ttuttle@xxxxxxxxxxxx>
---
drivers/usb/serial/qcserial.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 26e3e30..5a817d6 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -145,8 +145,12 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
/* Gobi 2000 has a single altsetting, older ones have two */
if (serial->interface->num_altsetting == 2)
intf = &serial->interface->altsetting[1];
- else if (serial->interface->num_altsetting > 2)
+ else if (serial->interface->num_altsetting > 2) {
+ dev_err(&serial->dev->dev,
+ "too many altsettings: %u",
+ serial->interface->num_altsetting);
break;
+ }
if (intf->desc.bNumEndpoints == 2 &&
usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
--
1.7.7.3
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