[PATCH] set_cmdline: replace fragile/deprecated strncpy with strscpy

[Daniel Yang]

Kernel docs identify strncpy as being fragile and ambiguous. Replaced
strncpy with strscpy so dest str is null terminated and not padded.

Signed-off-by: Daniel Yang <danielyangkang@xxxxxxxxx>
---
 kernel/trace/trace_sched_switch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index 8a407adb0..573b5d8e8 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -187,7 +187,7 @@ static inline char *get_saved_cmdlines(int idx)
 
 static inline void set_cmdline(int idx, const char *cmdline)
 {
-	strncpy(get_saved_cmdlines(idx), cmdline, TASK_COMM_LEN);
+	strscpy(get_saved_cmdlines(idx), cmdline, TASK_COMM_LEN);
 }
 
 static void free_saved_cmdlines_buffer(struct saved_cmdlines_buffer *s)
-- 
2.39.2