netdev - [PATCH net-next 2/2] net: rose: Escape trigraph to fix warning with W=1

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Message-Id: <20201028002235.928999-3-andrew@lunn.ch>
Date:   Wed, 28 Oct 2020 01:22:35 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     netdev <netdev@...r.kernel.org>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Andrew Lunn <andrew@...n.ch>
Subject: [PATCH net-next 2/2] net: rose: Escape trigraph to fix warning with W=1

net/rose/af_rose.c: In function ‘rose_info_show’:
net/rose/af_rose.c:1413:20: warning: trigraph ??- ignored, use -trigraphs to enable [-Wtrigraphs]
 1413 |    callsign = "??????-?";

??- is a trigraph, and should be replaced by a ˜ by the
compiler. However, trigraphs are being ignored in the build. Fix the
warning by escaping the ?? prefix of a trigraph.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 net/rose/af_rose.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index cf7d974e0f61..2c297834d268 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1410,7 +1410,7 @@ static int rose_info_show(struct seq_file *seq, void *v)
 			   ax2asc(buf, &rose->dest_call));
 
 		if (ax25cmp(&rose->source_call, &null_ax25_address) == 0)
-			callsign = "??????-?";
+			callsign = "????\?\?-?";
 		else
 			callsign = ax2asc(buf, &rose->source_call);
 
-- 
2.28.0