[PATCH] arm: mm: Convert snprintf to scnprintf

[hanyu001 at 208suo.com]

Fix the coccicheck warning:

./arch/arm/mm/cache-l2x0-pmu.c:346:8-16: WARNING: use scnprintf or 
sprintf

Signed-off-by: ztt <1549089851 at qq.com>
---
  arch/arm/mm/cache-l2x0-pmu.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mm/cache-l2x0-pmu.c b/arch/arm/mm/cache-l2x0-pmu.c
index 993fefdc167a..d20626451a2e 100644
--- a/arch/arm/mm/cache-l2x0-pmu.c
+++ b/arch/arm/mm/cache-l2x0-pmu.c
@@ -343,7 +343,7 @@ static ssize_t l2x0_pmu_event_show(struct device 
*dev,
      struct l2x0_event_attribute *lattr;

      lattr = container_of(attr, typeof(*lattr), attr);
-    return snprintf(buf, PAGE_SIZE, "config=0x%x\n", lattr->config);
+    return scnprintf(buf, PAGE_SIZE, "config=0x%x\n", lattr->config);
  }

  static umode_t l2x0_pmu_event_attr_is_visible(struct kobject *kobj,