From 80157dd69a6e6c6ebf00a662b82c09021adc8a6a Mon Sep 17 00:00:00 2001
From: Petr Holasek <pholasek@redhat.com>
Date: Thu, 6 Oct 2011 11:57:45 -0400
Subject: [PATCH] Fix a crash resulting from trying to parse a misread cpumask.

If we don't read a cpumask from the local_cpus sysfs file, we shouldn't try to
parse it

Signed-off-by: Petr Holasek <pholasek@redhat.com>
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
---
 classify.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classify.c b/classify.c
index be3efa5..14c17d4 100644
--- a/classify.c
+++ b/classify.c
@@ -154,7 +154,7 @@ assign_node:
 	lcpu_mask = NULL;
 	rc = fscanf(fd, "%as", &lcpu_mask);
 	fclose(fd);
-	if (!lcpu_mask) {
+	if (!lcpu_mask || !rc) {
 		cpus_setall(new->cpumask);
 	} else {
 		cpumask_parse_user(lcpu_mask, strlen(lcpu_mask),