netdev - [iproute PATCH v2 2/7] ss: Make sure index variable is >= 0

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Message-Id: <20170821170813.29697-3-phil@nwl.cc>
Date:   Mon, 21 Aug 2017 19:08:08 +0200
From:   Phil Sutter <phil@....cc>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     netdev@...r.kernel.org
Subject: [iproute PATCH v2 2/7] ss: Make sure index variable is >= 0

This shouldn't happen but relying upon external data without checking
may lead to unexpected results.

Signed-off-by: Phil Sutter <phil@....cc>
---
 misc/ss.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/misc/ss.c b/misc/ss.c
index 10360e5a04ff8..1ee02d73b2d7f 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -2004,7 +2004,7 @@ static void tcp_timer_print(struct tcpstat *s)
 		"unknown"
 	};
 
-	if (s->timer) {
+	if (s->timer >= 0) {
 		if (s->timer > 4)
 			s->timer = 5;
 		printf(" timer:(%s,%s,%d)",
-- 
2.13.1