[openwrt/openwrt] wifi-scripts: don't set wpa_pairwise for wpa=0

[LEDE Commits]

robimarko pushed a commit to openwrt/openwrt.git, branch openwrt-25.12:
https://git.openwrt.org/ff713d3d9e39d148e60cc411b47d4f88b204ae30

commit ff713d3d9e39d148e60cc411b47d4f88b204ae30
Author: Leon M. Busch-George <leon at georgemail.eu>
AuthorDate: Thu Dec 18 22:24:51 2025 +0100

    wifi-scripts: don't set wpa_pairwise for wpa=0
    
    Without this patch, the
    
        if (!config.wpa)
                    config.wpa_pairwise = null;
    
    is overwritten immediately.
    
    Signed-off-by: Leon M. Busch-George <leon at georgemail.eu>
    Link: https://github.com/openwrt/openwrt/pull/21215
    Signed-off-by: Robert Marko <robimarko at gmail.com>
    (cherry picked from commit bc4e7fd38ee1925c3cec8c2fe4730f334ca6be1e)
---
 .../config/wifi-scripts/files-ucode/usr/share/ucode/wifi/iface.uc  | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/package/network/config/wifi-scripts/files-ucode/usr/share/ucode/wifi/iface.uc b/package/network/config/wifi-scripts/files-ucode/usr/share/ucode/wifi/iface.uc
index 942fef059a..5b7b14b6ff 100644
--- a/package/network/config/wifi-scripts/files-ucode/usr/share/ucode/wifi/iface.uc
+++ b/package/network/config/wifi-scripts/files-ucode/usr/share/ucode/wifi/iface.uc
@@ -16,10 +16,11 @@ export function parse_encryption(config, dev_config) {
 			config.wpa = v;
 			break;
 		}
-	if (!config.wpa)
-		config.wpa_pairwise = null;
 
-	config.wpa_pairwise = (config.hw_mode == 'ad') ? 'GCMP' : 'CCMP';
+	config.wpa_pairwise = null;
+	if (config.wpa)
+		config.wpa_pairwise = (config.hw_mode == 'ad') ? 'GCMP' : 'CCMP';
+
 	config.auth_type = encryption[0] ?? 'none';
 
 	let wpa3_pairwise = config.wpa_pairwise;