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From: Mathieu Malaterre <malat@debian.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Mathieu Malaterre <malat@debian.org>, linux-kernel@vger.kernel.org
Subject: [PATCH] ipc: annotate implicit fall through
Date: Mon, 14 Jan 2019 21:36:08 +0100
Message-ID: <20190114203608.18218-1-malat@debian.org> (raw)

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:

  ipc/sem.c:1683:6: warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Mathieu Malaterre <malat@debian.org>
---
 ipc/sem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ipc/sem.c b/ipc/sem.c
index 745dc6187e84..0307012ab343 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -1682,6 +1682,7 @@ long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg)
 	case IPC_SET:
 		if (copy_semid_from_user(&semid64, p, version))
 			return -EFAULT;
+		/* fall through */
 	case IPC_RMID:
 		return semctl_down(ns, semid, cmd, &semid64);
 	default:
-- 
2.19.2


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