From ceb9eb4181bc81b7cba4bac65d285c31ee13fef8 Mon Sep 17 00:00:00 2001
From: Imen Bhiri <imen.bhiri@pivasoftware.com>
Date: Tue, 1 Sep 2015 18:21:38 +0100
Subject: [PATCH] Fix Devicelog Issu

---
 dm/dmtree/deviceinfo.c | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/dm/dmtree/deviceinfo.c b/dm/dmtree/deviceinfo.c
index d337ba7..3514051 100644
--- a/dm/dmtree/deviceinfo.c
+++ b/dm/dmtree/deviceinfo.c
@@ -131,23 +131,35 @@ int get_device_info_uptime(char *refparam, struct dmctx *ctx, char **value)
 	return 0;
 }
 
-int get_device_devicelog (char *refparam, struct dmctx *ctx, char **value)
+int get_device_devicelog(char *refparam, struct dmctx *ctx, char **value)
 {
 	*value = "";
-	char buff[1024];
-	int len = klogctl(3 , buff, 1024); /* read ring buffer */
+	int i = 0, nbrlines = 4;
+	char buff[512], *msg = NULL;
+	int len = klogctl(3 , buff, 512); /* read ring buffer */
 	if (len <= 0)
 		return 0;
 	buff[len] = '\0';
 	char *p = buff;
 	while (*p) { //TODO to optimize, we can avoid this if the '<' and '>' does not cause problem in the tests.
-		if (*p == '<')
+		if (*p == '<') {
 			*p = '(';
+			if (p == buff || *(p-1) == '\n') {
+				if(msg == NULL) msg = p;
+				i++;
+				if (i == nbrlines) {
+					break;
+				}
+			}
+		}
 		else if (*p == '>')
 			*p = ')';
 		p++;
 	}
-	*value = dmstrdup(buff); // MEM WILL BE FREED IN DMMEMCLEAN
+	if(msg == NULL)
+		*value = "";
+	else
+		*value = dmstrdup(msg);// MEM WILL BE FREED IN DMMEMCLEAN
 	return 0;
 }