From: Tomas Hozza <thozza@redhat.com>
Date: Wed, 22 May 2013 12:54:32 +0000 (+0200)
Subject: tools: hv: Check retrun value of strchr call
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=f14e600a3bb62905fe9e4e0350048af4ead54ca9;p=deliverable%2Flinux.git

tools: hv: Check retrun value of strchr call

Check return value of strchr call and dereference it only if it is
not NULL.

Signed-off-by: Tomas Hozza <thozza@redhat.com>
Acked-by:  K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 81cbb6ecce89..5b8f28f2aafa 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -765,7 +765,9 @@ static void kvp_process_ipconfig_file(char *cmd,
 			break;
 
 		x = strchr(p, '\n');
-		*x = '\0';
+		if (x)
+			*x = '\0';
+
 		strcat(config_buf, p);
 		strcat(config_buf, ";");
 	}