2 files changed, 4 insertions, 4 deletions

diff --git a/Documentation/ABI/testing/sysfs-class-net-qmi b/Documentation/ABI/testing/sysfs-class-net-qmi
index 7122d6264c49..c310db4ccbc2 100644
--- a/Documentation/ABI/testing/sysfs-class-net-qmi
+++ b/Documentation/ABI/testing/sysfs-class-net-qmi
@@ -29,7 +29,7 @@ Contact:	Bjørn Mork <bjorn@mork.no>
 Description:
                 Unsigned integer.
 
-                Write a number ranging from 1 to 127 to add a qmap mux
+                Write a number ranging from 1 to 254 to add a qmap mux
                 based network device, supported by recent Qualcomm based
                 modems.
 
@@ -46,5 +46,5 @@ Contact:	Bjørn Mork <bjorn@mork.no>
 Description:
                 Unsigned integer.
 
-                Write a number ranging from 1 to 127 to delete a previously
+                Write a number ranging from 1 to 254 to delete a previously
                 created qmap mux based network device.
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())