linux-kernel - [PATCH] Tools: hv: fix snprintf warning in kvp

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Message-Id: <20170809151711.6029-1-olaf@aepfle.de>
Date:   Wed,  9 Aug 2017 17:17:09 +0200
From:   Olaf Hering <olaf@...fle.de>
To:     "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        devel@...uxdriverproject.org (open list:Hyper-V CORE AND DRIVERS),
        linux-kernel@...r.kernel.org (open list)
Cc:     Olaf Hering <olaf@...fle.de>
Subject: [PATCH] Tools: hv: fix snprintf warning in kvp_daemon

Increase buffer size so that "_{-INT_MAX}" will fit.
Spotted by the gcc7 snprintf checker.

Signed-off-by: Olaf Hering <olaf@...fle.de>
---
 tools/hv/hv_kvp_daemon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 88b20e007c05..eaa3bec273c8 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -1136,7 +1136,7 @@ static int process_ip_string(FILE *f, char *ip_string, int type)
 	int i = 0;
 	int j = 0;
 	char str[256];
-	char sub_str[10];
+	char sub_str[13];
 	int offset = 0;
 
 	memset(addr, 0, sizeof(addr));