From b028fb612849add771679c1b99a50d99264c9632 Mon Sep 17 00:00:00 2001
From: Mathieu Malaterre <malat@debian.org>
Date: Tue, 14 May 2019 15:44:35 -0700
Subject: [PATCH] kernel/signal.c: annotate implicit fall through

There is a plan to build the kernel with -Wimplicit-fallthrough and this
place in the code produced a warning (W=1).

This commit remove the following warning:

  kernel/signal.c:795:13: warning: this statement may fall through [-Wimplicit-fallthrough=]

Link: http://lkml.kernel.org/r/20190114203505.17875-1-malat@debian.org
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Acked-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/signal.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/signal.c b/kernel/signal.c
index 62f9aea4a15a0..c4dd66436fc58 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -840,6 +840,7 @@ static int check_kill_permission(int sig, struct kernel_siginfo *info,
 			 */
 			if (!sid || sid == task_session(current))
 				break;
+			/* fall through */
 		default:
 			return -EPERM;
 		}
-- 
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