From 36815b416fa48766ac5a98e4b2dc3ebc5887222e Mon Sep 17 00:00:00 2001 From: Reinhard Speyerer Date: Wed, 12 Jun 2019 19:03:50 +0200 Subject: qmi_wwan: extend permitted QMAP mux_id value range Permit mux_id values up to 254 to be used in qmimux_register_device() for compatibility with ip(8) and the rmnet driver. Fixes: c6adf77953bc ("net: usb: qmi_wwan: add qmap mux protocol support") Cc: Daniele Palmas Signed-off-by: Reinhard Speyerer Signed-off-by: David S. Miller --- drivers/net/usb/qmi_wwan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index c6fbc2a2a785..780c10ee359b 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -429,8 +429,8 @@ static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, c if (kstrtou8(buf, 0, &mux_id)) return -EINVAL; - /* mux_id [1 - 0x7f] range empirically found */ - if (mux_id < 1 || mux_id > 0x7f) + /* mux_id [1 - 254] for compatibility with ip(8) and the rmnet driver */ + if (mux_id < 1 || mux_id > 254) return -EINVAL; if (!rtnl_trylock()) -- cgit v1.2.3