--- /dev/null
+From 06e785aeb9ea8a43d0a3967c1ba6e69d758e82d4 Mon Sep 17 00:00:00 2001
+From: Matt Jan <zoo868e@gmail.com>
+Date: Tue, 14 May 2024 12:10:46 +0800
+Subject: [PATCH] connector: Fix invalid conversion in cn_proc.h
+
+The implicit conversion from unsigned int to enum
+proc_cn_event is invalid, so explicitly cast it
+for compilation in a C++ compiler.
+/usr/include/linux/cn_proc.h: In function 'proc_cn_event valid_event(proc_cn_event)':
+/usr/include/linux/cn_proc.h:72:17: error: invalid conversion from 'unsigned int' to 'proc_cn_event' [-fpermissive]
+ 72 | ev_type &= PROC_EVENT_ALL;
+ | ^
+ | |
+ | unsigned int
+
+Signed-off-by: Matt Jan <zoo868e@gmail.com>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+
+Upstream-Status: Backport [https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9258d795978f398ecf2d222a8388cff81d37d34d]
+---
+ include/uapi/linux/cn_proc.h | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/include/uapi/linux/cn_proc.h b/include/uapi/linux/cn_proc.h
+index f2afb7cc4926..18e3745b86cd 100644
+--- a/include/uapi/linux/cn_proc.h
++++ b/include/uapi/linux/cn_proc.h
+@@ -69,8 +69,7 @@ struct proc_input {
+
+ static inline enum proc_cn_event valid_event(enum proc_cn_event ev_type)
+ {
+- ev_type &= PROC_EVENT_ALL;
+- return ev_type;
++ return (enum proc_cn_event)(ev_type & PROC_EVENT_ALL);
+ }
+
+ /*
+--
+2.50.1
+