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kernel:Add Huawei hisi check (#1545)

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Use huawei_hisi_check.h to determine whether it is an old Huawei
HiSilicon device.
Solve:  
1. Compatible with non-GKI Huawei HiSilicon devices
2. Solve different bugs in EMUI of different system versions
3. Does not affect other devices
This commit is contained in:
Coconut
2024-03-28 14:20:00 +08:00
committed by GitHub
parent 58416be4a5
commit 4f05fe226e
4 changed files with 22 additions and 19 deletions
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5
kernel/kernel_compat.c
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@@ -8,8 +8,9 @@
#endif
#include "linux/uaccess.h"
#include "klog.h" // IWYU pragma: keep
#include "kernel_compat.h" // Add check Huawei Device
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) || defined(CONFIG_IS_HW_HISI)
#include "linux/key.h"
#include "linux/errno.h"
#include "linux/cred.h"
@@ -78,7 +79,7 @@ void ksu_android_ns_fs_check()
struct file *ksu_filp_open_compat(const char *filename, int flags, umode_t mode)
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) || defined(CONFIG_IS_HW_HISI)
if (init_session_keyring != NULL && !current_cred()->session_keyring &&
(current->flags & PF_WQ_WORKER)) {
pr_info("installing init session keyring for older kernel\n");