From 61598093bbdd283a7edc367d900f223070ead8d2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:03 +0000
Subject: [PATCH] add ax88772C AX88772C_eeprom_tools
---
kernel/kernel/trace/trace_stat.c | 20 +++++++++++---------
1 files changed, 11 insertions(+), 9 deletions(-)
diff --git a/kernel/kernel/trace/trace_stat.c b/kernel/kernel/trace/trace_stat.c
index 92b76f9..8d141c3 100644
--- a/kernel/kernel/trace/trace_stat.c
+++ b/kernel/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>
@@ -72,9 +72,7 @@
kfree(session);
}
-typedef int (*cmp_stat_t)(void *, void *);
-
-static int insert_stat(struct rb_root *root, void *stat, cmp_stat_t cmp)
+static int insert_stat(struct rb_root *root, void *stat, cmp_func_t cmp)
{
struct rb_node **new = &(root->rb_node), *parent = NULL;
struct stat_node *data;
@@ -112,7 +110,7 @@
* This one will force an insertion as right-most node
* in the rbtree.
*/
-static int dummy_cmp(void *p1, void *p2)
+static int dummy_cmp(const void *p1, const void *p2)
{
return -1;
}
@@ -238,6 +236,10 @@
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;
@@ -274,13 +276,13 @@
static int tracing_stat_init(void)
{
- struct dentry *d_tracing;
+ int ret;
- d_tracing = tracing_init_dentry();
- if (IS_ERR(d_tracing))
+ ret = tracing_init_dentry();
+ if (ret)
return -ENODEV;
- stat_dir = tracefs_create_dir("trace_stat", d_tracing);
+ stat_dir = tracefs_create_dir("trace_stat", NULL);
if (!stat_dir) {
pr_warn("Could not create tracefs 'trace_stat' entry\n");
return -ENOMEM;
--
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