From: Rosen Penev <rosenp@gmail.com>
Date: Sun, 8 Feb 2026 22:12:02 +0000 (-0800)
Subject: trelay: use struct_size helper in allocation
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=08d2c0514f0e75b8ef3d9f7fe2ef796ed95c4643;p=thirdparty%2Fopenwrt.git

trelay: use struct_size helper in allocation

Makes it clear that the allocation is dealing with a flex array member.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/21960
Signed-off-by: Robert Marko <robimarko@gmail.com>
---

diff --git a/package/kernel/trelay/src/trelay.c b/package/kernel/trelay/src/trelay.c
index 8b3bef2a8eb..32ac623afe1 100644
--- a/package/kernel/trelay/src/trelay.c
+++ b/package/kernel/trelay/src/trelay.c
@@ -152,7 +152,7 @@ static int trelay_do_add(char *name, char *devn1, char *devn2)
 	struct trelay *tr, *tr1;
 	int ret;
 
-	tr = kzalloc(sizeof(*tr) + strlen(name) + 1, GFP_KERNEL);
+	tr = kzalloc(struct_size(tr, name, strlen(name) + 1), GFP_KERNEL);
 	if (!tr)
 		return -ENOMEM;