[openwrt/openwrt] unetmsg: return the request data when issuing async requests

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/a242cfb4e1909ee20a9ede674ed53efaea5cc438

commit a242cfb4e1909ee20a9ede674ed53efaea5cc438
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Fri May 16 11:15:27 2025 +0200

    unetmsg: return the request data when issuing async requests
    
    Makes it possible to track and cancel requests
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 .../services/unetmsg/files/usr/share/ucode/unetmsg/client.uc        | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/package/network/services/unetmsg/files/usr/share/ucode/unetmsg/client.uc b/package/network/services/unetmsg/files/usr/share/ucode/unetmsg/client.uc
index 293763572f..1ed6982233 100644
--- a/package/network/services/unetmsg/files/usr/share/ucode/unetmsg/client.uc
+++ b/package/network/services/unetmsg/files/usr/share/ucode/unetmsg/client.uc
@@ -76,8 +76,10 @@ function request(name, type, data, data_cb, complete_cb)
 		cb: complete_cb
 	});
 
-	if (!complete_cb)
-		req.await();
+	if (complete_cb)
+		return req;
+
+	req.await();
 }
 
 function connect()