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authorIngo Molnar <mingo@kernel.org>2015-02-26 12:24:50 +0100
committerIngo Molnar <mingo@kernel.org>2015-02-26 12:24:50 +0100
commite9e4e44309f866b115d08ab4a54834008c50a8a4 (patch)
treeae9f91e682a4d6592ef263f30a4a0b1a862b7987 /kernel/padata.c
parent8a26ce4e544659256349551283414df504889a59 (diff)
parentc517d838eb7d07bbe9507871fab3931deccff539 (diff)
downloadlwn-e9e4e44309f866b115d08ab4a54834008c50a8a4.tar.gz
lwn-e9e4e44309f866b115d08ab4a54834008c50a8a4.zip
Merge tag 'v4.0-rc1' into perf/core, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/padata.c')
-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,