gfwleak/zhangyang-variable-monitor
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ioctl

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zy
2023-11-27 20:51:25 -05:00
parent e560158cbc
commit 40efa27bc9
6 changed files with 16 additions and 12 deletions
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7
source/module/monitor_kernel.c
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@@ -10,7 +10,6 @@
#define DEVICE_NAME "variable_monitor"
//!todo check name
// for character device
static dev_t dev_num;
static struct cdev *watch_cdev;
@@ -57,9 +56,9 @@ static long device_ioctl(struct file *file, unsigned int ioctl_num,
printk(KERN_INFO "variable_monitor fun: %s with ioctl_num %d\n", __FUNCTION__,
ioctl_num);
//!todo check style
//! todo check style
switch (ioctl_num) {
case 0:
case IOCTL_WATCH_VARIABLE:
// copy watch_arg
if (copy_from_user(&warg, (watch_arg *)ioctl_param, sizeof(warg))) {
return -EACCES;
@@ -72,7 +71,7 @@ static long device_ioctl(struct file *file, unsigned int ioctl_num,
// start watch variable
start_watch_variable(warg);
break;
case 1:
case IOCTL_DUMP_LOG:
printk(KERN_INFO "variable_monitor ioctl_num 1\n");
ret = copy_from_user(&dump_param, (ioctl_dump_param *)ioctl_param,
sizeof(ioctl_dump_param));