1 files changed, 3 insertions, 3 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 77b8dc528006..62c6506d663f 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3353,12 +3353,12 @@ tracing_cpumask_read(struct file *filp, char __user *ubuf,
 
         mutex_lock(&tracing_cpumask_update_lock);
 
-        len = cpumask_scnprintf(mask_str, count, tr->tracing_cpumask);
-        if (count - len < 2) {
+        len = snprintf(mask_str, count, "%*pb\n",
+                       cpumask_pr_args(tr->tracing_cpumask));
+        if (len >= count) {
                 count = -EINVAL;
                 goto out_err;
         }
-        len += sprintf(mask_str + len, "\n");
         count = simple_read_from_buffer(ubuf, count, ppos, mask_str, NR_CPUS+1);
 
 out_err: