openwrt/target/linux/generic/backport-5.4/756-v5.8-net-dsa-rtl8366-Pass-GENMASK-signed-bits.patch

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From 733993f502f254912b1415e13f73651d9f2e74ef Mon Sep 17 00:00:00 2001
From: Andrew Lunn <andrew@lunn.ch>
Date: Sun, 5 Jul 2020 22:42:27 +0200
Subject: [PATCH 1/5] net: dsa: rtl8366: Pass GENMASK() signed bits
Oddly, GENMASK() requires signed bit numbers, so that it can compare
them for < 0. If passed an unsigned type, we get warnings about the
test never being true.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/dsa/rtl8366.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/dsa/rtl8366.c
+++ b/drivers/net/dsa/rtl8366.c
@@ -311,7 +311,7 @@ int rtl8366_init_vlan(struct realtek_smi
/* For the CPU port, make all ports members of this
* VLAN.
*/
- mask = GENMASK(smi->num_ports - 1, 0);
+ mask = GENMASK((int)smi->num_ports - 1, 0);
else
/* For all other ports, enable itself plus the
* CPU port.