[PATCH] perf c2c: Fix c2c report for empty numa node

[Ravi Bangoria]

perf c2c report fails if system has empty numa node(0 cpus):

  $ lscpu
  NUMA node0 CPU(s):   
  NUMA node1 CPU(s):   0-4

  $ sudo ./perf c2c report 
  node/cpu topology bugFailed setup nodes

Fix this.

Reported-by: Nageswara R Sastry <nasastry@xxxxxxxxxx>
Signed-off-by: Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxx>
---
 tools/perf/util/cpumap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 383674f448fc..517c3f37c613 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -261,7 +261,7 @@ struct cpu_map *cpu_map__dummy_new(void)
 	struct cpu_map *cpus = malloc(sizeof(*cpus) + sizeof(int));
 
 	if (cpus != NULL) {
-		cpus->nr = 1;
+		cpus->nr = 0;
 		cpus->map[0] = -1;
 		refcount_set(&cpus->refcnt, 1);
 	}
-- 
2.17.1