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kernel: fix compile err on lower kernel

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weishu
2023-06-27 20:46:09 +08:00
parent 0bfd6d9e30
commit da959b4e17
3 changed files with 12 additions and 16 deletions
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12
kernel/ksud.c
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@@ -1,7 +1,5 @@
#include "asm/current.h"
#include "linux/string.h"
#include "linux/compat.h"
#include "linux/cred.h"
#include "linux/dcache.h"
#include "linux/err.h"
#include "linux/fs.h"
@@ -12,12 +10,12 @@
#include "linux/uaccess.h"
#include "linux/version.h"
#include "linux/workqueue.h"
#include "linux/input.h"
#include "allowlist.h"
#include "arch.h"
#include "klog.h" // IWYU pragma: keep
#include "ksud.h"
#include "kernel_compat.h"
#include "selinux/selinux.h"
static const char KERNEL_SU_RC[] =
@@ -174,13 +172,7 @@ int ksu_handle_execveat_ksud(int *fd, struct filename **filename_ptr,
const char __user *p = get_user_arg_ptr(*ptr, 1);
if (p && !IS_ERR(p)) {
char first_arg[16];
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 8, 0)
strncpy_from_user_nofault(first_arg, p, sizeof(first_arg));
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(5, 3, 0)
strncpy_from_unsafe_user(first_arg, p, sizeof(first_arg));
#else
strncpy_from_user(first_arg, p, sizeof(first_arg));
#endif
ksu_strncpy_from_user_nofault(first_arg, p, sizeof(first_arg));
pr_info("first arg: %s\n", first_arg);
if (!strcmp(first_arg, "second_stage")) {
pr_info("/system/bin/init second_stage executed\n");