From: Peter Stamfest <peter@stamfest.at>
Date: Mon, 3 Mar 2014 00:01:46 +0000 (+0100)
Subject: skip populating values for just added DS
X-Git-Tag: v1.5.0-rc1~131^2~8
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0ef38e96904e5b8c79b1800a0a0330407c43eddd;p=thirdparty%2Frrdtool-1.x.git

skip populating values for just added DS
---

diff --git a/src/rrd_modify.c b/src/rrd_modify.c
index 6647d60c..9d16476f 100644
--- a/src/rrd_modify.c
+++ b/src/rrd_modify.c
@@ -299,6 +299,9 @@ static int populate_row(const rrd_t *in_rrd,
 
 		int in_k = ds_map ? ds_map[k] : k;
 
+		// if the DS was just added we have no pre-existing data anyway, so skip
+		if (in_k < 0) continue;
+
 		for (cand_row = cand_row_start, ci = 0 ; 
 		     ci < cand_rows ; 
 		     ci++, cand_row = (cand_row + 1) % r->row_cnt)