X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=kernel%2Fpadata.c;h=b38bea9c466a012a9bc04423af25a5c7d04be34d;hb=f29ba61d0abad6ad0beed5237cd337b5e25adad7;hp=161402f0b517c9f483f166585bd61d61bac2e3f3;hpb=53c566625fb872e7826a237f0f5c21458028e94a;p=firefly-linux-kernel-4.4.55.git 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,