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Enforce the customized style for example code

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Instead of using tab for indention, the style defaults to 4 spaces for
the sake of compact layout.
This commit is contained in:
Jim Huang
2021-07-22 06:58:13 +08:00
parent 936d82fad7
commit 50b8dfe6c2
33 changed files with 421 additions and 422 deletions
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28
examples/syscall.c
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@@ -10,13 +10,13 @@
* https://bbs.archlinux.org/viewtopic.php?id=139406
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/syscalls.h>
#include <linux/delay.h>
#include <asm/paravirt.h>
#include <linux/moduleparam.h> /* which will have params */
#include <linux/unistd.h> /* The list of system calls */
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h> /* which will have params */
#include <linux/syscalls.h>
#include <linux/unistd.h> /* The list of system calls */
/*
* For the current (process) structure, we need
@@ -48,7 +48,7 @@ module_param(uid, int, 0644);
* Another reason for this is that we can't get sys_open.
* It's a static variable, so it is not exported.
*/
asmlinkage int (*original_call) (const char *, int, int);
asmlinkage int (*original_call)(const char *, int, int);
/*
* The function we'll replace sys_open (the function
@@ -93,7 +93,7 @@ static unsigned long **aquire_sys_call_table(void)
unsigned long **sct;
while (offset < ULLONG_MAX) {
sct = (unsigned long **)offset;
sct = (unsigned long **) offset;
if (sct[__NR_close] == (unsigned long *) ksys_close)
return sct;
@@ -106,7 +106,7 @@ static unsigned long **aquire_sys_call_table(void)
static int __init syscall_start(void)
{
if(!(sys_call_table = aquire_sys_call_table()))
if (!(sys_call_table = aquire_sys_call_table()))
return -1;
original_cr0 = read_cr0();
@@ -114,10 +114,10 @@ static int __init syscall_start(void)
write_cr0(original_cr0 & ~0x00010000);
/* keep track of the original open function */
original_call = (void*)sys_call_table[__NR_open];
original_call = (void *) sys_call_table[__NR_open];
/* use our open function instead */
sys_call_table[__NR_open] = (unsigned long *)our_sys_open;
sys_call_table[__NR_open] = (unsigned long *) our_sys_open;
write_cr0(original_cr0);
@@ -128,14 +128,14 @@ static int __init syscall_start(void)
static void __exit syscall_end(void)
{
if(!sys_call_table) {
if (!sys_call_table) {
return;
}
/*
* Return the system call back to normal
*/
if (sys_call_table[__NR_open] != (unsigned long *)our_sys_open) {
if (sys_call_table[__NR_open] != (unsigned long *) our_sys_open) {
pr_alert("Somebody else also played with the ");
pr_alert("open system call\n");
pr_alert("The system may be left in ");
@@ -143,7 +143,7 @@ static void __exit syscall_end(void)
}
write_cr0(original_cr0 & ~0x00010000);
sys_call_table[__NR_open] = (unsigned long *)original_call;
sys_call_table[__NR_open] = (unsigned long *) original_call;
write_cr0(original_cr0);
msleep(2000);