linux-kernel - [PATCH 3/3] fs/fcntl: annotate implicit fall through

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Message-Id: <20190114203859.19875-3-malat@debian.org>
Date:   Mon, 14 Jan 2019 21:38:58 +0100
From:   Mathieu Malaterre <malat@...ian.org>
To:     Alexander Viro <viro@...iv.linux.org.uk>
Cc:     Mathieu Malaterre <malat@...ian.org>,
        Jeff Layton <jlayton@...nel.org>,
        "J. Bruce Fields" <bfields@...ldses.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] fs/fcntl: 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).

In this particular case change a ‘:’ with a ‘-’ so as to match the
regular expression expected by GCC.

This commit remove the following warning:

  fs/fcntl.c:770:7: warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Mathieu Malaterre <malat@...ian.org>
---
 fs/fcntl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fcntl.c b/fs/fcntl.c
index 083185174c6d..3d40771e8e7c 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -769,7 +769,7 @@ static void send_sigio_to_task(struct task_struct *p,
 			si.si_fd    = fd;
 			if (!do_send_sig_info(signum, &si, p, type))
 				break;
-		/* fall-through: fall back on the old plain SIGIO signal */
+		/* fall-through - fall back on the old plain SIGIO signal */
 		case 0:
 			do_send_sig_info(SIGIO, SEND_SIG_PRIV, p, type);
 	}
-- 
2.19.2