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-rw-r--r--kernel/padata.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/kernel/padata.c b/kernel/padata.c
index 161402f0b517..b38bea9c466a 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -917,15 +917,10 @@ static ssize_t show_cpumask(struct padata_instance *pinst,
else
cpumask = pinst->cpumask.pcpu;
- len = bitmap_scnprintf(buf, PAGE_SIZE, cpumask_bits(cpumask),
- nr_cpu_ids);
- if (PAGE_SIZE - len < 2)
- len = -EINVAL;
- else
- len += sprintf(buf + len, "\n");
-
+ len = snprintf(buf, PAGE_SIZE, "%*pb\n",
+ nr_cpu_ids, cpumask_bits(cpumask));
mutex_unlock(&pinst->lock);
- return len;
+ return len < PAGE_SIZE ? len : -EINVAL;
}
static ssize_t store_cpumask(struct padata_instance *pinst,