realtek: mdio: harden for_each_port macro

In case someone calls the macro with other helpers this might
break the code. Add brackets for consistency.

Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/23204
Signed-off-by: Robert Marko <robimarko@gmail.com>

diff --git a/target/linux/realtek/files-6.18/drivers/net/mdio/mdio-realtek-otto.c b/target/linux/realtek/files-6.18/drivers/net/mdio/mdio-realtek-otto.c
index dbad94845527acd84a84a1f0ba91a2ca9852b5e3..9979b8a4494f63ee46f7eb81fc32bd01c3a7576f 100644 (file)
--- a/target/linux/realtek/files-6.18/drivers/net/mdio/mdio-realtek-otto.c
+++ b/target/linux/realtek/files-6.18/drivers/net/mdio/mdio-realtek-otto.c
@@ -124,7 +124,7 @@
 #define RTMDIO_931X_SMI_10GPHY_POLLING_SEL4    (0x0D00)
 
 #define for_each_port(ctrl, pn) \
-       for_each_set_bit(pn, ctrl->valid_ports, RTMDIO_MAX_PORTS)
+       for_each_set_bit(pn, (ctrl)->valid_ports, RTMDIO_MAX_PORTS)
 
 /*
  * On all Realtek switch platforms the hardware periodically reads the link status of all