Fwd: [PATCH] kernel: convert sysfs snprintf to sysfs_emit

[hanyu001]

Fix the following coccicheck warnings:
drivers/tty/vt/vt.c:3942:8-16:
WARNING: use scnprintf or sprintf
drivers/tty/vt/vt.c:3950:8-16:
WARNING: use scnprintf or sprintf

./kernel/cpu.c:2920:8-16: WARNING: use scnprintf or sprintf
./kernel/cpu.c:2907:8-16: WARNING: use scnprintf or sprintf

Signed-off-by: ztt <1549089851@xxxxxx>
---
 kernel/cpu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/cpu.c b/kernel/cpu.c
index ed65aeaa94b5..1a9634236b54 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -2904,7 +2904,7 @@ static ssize_t control_show(struct device *dev,
 {
     const char *state = smt_states[cpu_smt_control];

-    return snprintf(buf, PAGE_SIZE - 2, "%s\n", state);
+    return scnprintf(buf, PAGE_SIZE - 2, "%s\n", state);
 }

 static ssize_t control_store(struct device *dev, struct 
device_attribute *attr,
@@ -2917,7 +2917,7 @@ static DEVICE_ATTR_RW(control);
 static ssize_t active_show(struct device *dev,
                struct device_attribute *attr, char *buf)
 {
-    return snprintf(buf, PAGE_SIZE - 2, "%d\n", sched_smt_active());
+    return scnprintf(buf, PAGE_SIZE - 2, "%d\n", sched_smt_active());
 }
 static DEVICE_ATTR_RO(active);