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path: root/drivers/net/can/usb/kvaser_usb.c
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Diffstat (limited to 'drivers/net/can/usb/kvaser_usb.c')
-rw-r--r--drivers/net/can/usb/kvaser_usb.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
index 6c859bba8b65..e77d11049747 100644
--- a/drivers/net/can/usb/kvaser_usb.c
+++ b/drivers/net/can/usb/kvaser_usb.c
@@ -473,6 +473,8 @@ static int kvaser_usb_get_card_info(struct kvaser_usb *dev)
return err;
dev->nchannels = msg.u.cardinfo.nchannels;
+ if (dev->nchannels > MAX_NET_DEVICES)
+ return -EINVAL;
return 0;
}