ia64: mca: use strscpy() is more robust and safer

The implementation of strscpy() is more robust and safer.  That's now the
recommended way to copy NUL terminated strings.

Link: https://lkml.kernel.org/r/20220930061950.288290-1-xu.xin16@zte.com.cnReported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: xu xin <xu.xin16@zte.com.cn>
Cc: Haowen Bai <baihaowen@meizu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

arch/ia64/kernel/mca.c

@@ -1793,7 +1793,7 @@ format_mca_init_stack(void *mca_data, unsigned long offset,
 	p->parent = p->real_parent = p->group_leader = p;
 	INIT_LIST_HEAD(&p->children);
 	INIT_LIST_HEAD(&p->sibling);
-	strncpy(p->comm, type, sizeof(p->comm)-1);
+	strscpy(p->comm, type, sizeof(p->comm)-1);
 }
 
 /* Caller prevents this from being called after init */