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-rw-r--r--arch/s390/kernel/perf_cpum_sf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
index 9a4f279d25ca..ca960d0370d5 100644
--- a/arch/s390/kernel/perf_cpum_sf.c
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -823,7 +823,7 @@ static int cpumsf_pmu_event_init(struct perf_event *event)
}
/* Check online status of the CPU to which the event is pinned */
- if (event->cpu >= nr_cpumask_bits ||
+ if ((unsigned int)event->cpu >= nr_cpumask_bits ||
(event->cpu >= 0 && !cpu_online(event->cpu)))
return -ENODEV;