netdev - [PATCH v2] connector: Fix invalid conversion in cn

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Message-Id: <20240514041046.98784-1-zoo868e@gmail.com>
Date: Tue, 14 May 2024 12:10:46 +0800
From: Matt Jan <zoo868e@...il.com>
To: kuba@...nel.org
Cc: davem@...emloft.net,
	edumazet@...gle.com,
	linux-kernel@...r.kernel.org,
	matt_jan@...ndmicro.com,
	netdev@...r.kernel.org,
	pabeni@...hat.com,
	zoo868e@...il.com
Subject: [PATCH v2] 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@...il.com>
---
change in v2:
	fix: remove space after cast

 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);
 }
 
 /*
-- 
2.25.1