tracing: Add locked_down checks to the open calls of files created for tracefs

[linux-2.6-microblaze.git] / kernel / trace / trace_stat.c

diff --git a/kernel/trace/trace_stat.c b/kernel/trace/trace_stat.c
index 75bf1bc..9ab0a1a 100644 (file)
--- a/kernel/trace/trace_stat.c
+++ b/kernel/trace/trace_stat.c
@@ -9,7 +9,7 @@
  *
  */
 
-
+#include <linux/security.h>
 #include <linux/list.h>
 #include <linux/slab.h>
 #include <linux/rbtree.h>
@@ -238,6 +238,10 @@ static int tracing_stat_open(struct inode *inode, struct file *file)
        struct seq_file *m;
        struct stat_session *session = inode->i_private;
 
+       ret = security_locked_down(LOCKDOWN_TRACEFS);
+       if (ret)
+               return ret;
+
        ret = stat_seq_init(session);
        if (ret)
                return ret;