From cde9070d9970eef1f7ec2360586c802a16230ad8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:50 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux driver
---
kernel/samples/kprobes/kretprobe_example.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/kernel/samples/kprobes/kretprobe_example.c b/kernel/samples/kprobes/kretprobe_example.c
index da6de5e..228321e 100644
--- a/kernel/samples/kprobes/kretprobe_example.c
+++ b/kernel/samples/kprobes/kretprobe_example.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* kretprobe_example.c
*
@@ -7,10 +8,10 @@
*
* usage: insmod kretprobe_example.ko func=<func_name>
*
- * If no func_name is specified, _do_fork is instrumented
+ * If no func_name is specified, kernel_clone is instrumented
*
* For more information on theory of operation of kretprobes, see
- * Documentation/kprobes.txt
+ * Documentation/trace/kprobes.rst
*
* Build and insert the kernel module as done in the kprobe example.
* You will see the trace data in /var/log/messages and on the console
@@ -25,7 +26,7 @@
#include <linux/limits.h>
#include <linux/sched.h>
-static char func_name[NAME_MAX] = "_do_fork";
+static char func_name[NAME_MAX] = "kernel_clone";
module_param_string(func, func_name, NAME_MAX, S_IRUGO);
MODULE_PARM_DESC(func, "Function to kretprobe; this module will report the"
" function's execution time");
@@ -47,6 +48,7 @@
data->entry_stamp = ktime_get();
return 0;
}
+NOKPROBE_SYMBOL(entry_handler);
/*
* Return-probe handler: Log the return value and duration. Duration may turn
@@ -66,6 +68,7 @@
func_name, retval, (long long)delta);
return 0;
}
+NOKPROBE_SYMBOL(ret_handler);
static struct kretprobe my_kretprobe = {
.handler = ret_handler,
--
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