[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@nwl.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