From: Sebastien GODARD <sysstat@users.noreply.github.com>
Date: Sat, 11 Mar 2017 08:38:51 +0000 (+0100)
Subject: mpstat: Small additional check
X-Git-Tag: v11.5.6~15
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b6f0c6ea70b8142593b5fbf94ce587b2c87f4b32;p=sysstat

mpstat: Small additional check

Make sure node number is not negative.

Signed-off-by: Sebastien GODARD <sysstat@users.noreply.github.com>
---

diff --git a/mpstat.c b/mpstat.c
index cfd9296..ed6ec16 100644
--- a/mpstat.c
+++ b/mpstat.c
@@ -300,7 +300,7 @@ int get_node_placement(int cpu_nr, int cpu_per_node[], int cpu2node[])
 
 			if (!strncmp(drd->d_name, "node", 4) && isdigit(drd->d_name[4])) {
 				node = atoi(drd->d_name + 4);
-				if (node >= cpu_nr) {
+				if ((node >= cpu_nr) || (node < 0)) {
 					/* Assume we cannot have more nodes than CPU */
 					closedir(dir);
 					return -1;