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kernel: fix ksu_sys_umount compatibility

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* Some people reports about undefined reference to `sys_umount`
* Since ksys_umount exist on Linux 4.17-rc1, then we gonna use that one.

Rev 2: Use correct int instead of long for ksys_umount

Signed-off-by: rsuntk <90097027+rsuntk@users.noreply.github.com>
This commit is contained in:
rsuntk
2025-05-25 01:43:19 +00:00
committed by ShirkNeko
parent 1ce706823e
commit 61e3a9bcf2
1 changed files with 4 additions and 0 deletions
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4
kernel/core_hook.c
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@@ -993,7 +993,11 @@ static int ksu_sys_umount(const char *mnt, int flags)
mm_segment_t old_fs = get_fs(); mm_segment_t old_fs = get_fs();
set_fs(KERNEL_DS); set_fs(KERNEL_DS);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 17, 0)
int ret = ksys_umount(usermnt, flags);
#else
long ret = sys_umount(usermnt, flags); // cuz asmlinkage long sys##name long ret = sys_umount(usermnt, flags); // cuz asmlinkage long sys##name
#endif
set_fs(old_fs); set_fs(old_fs);
pr_info("%s: path: %s code: %d \n", __func__, usermnt, ret); pr_info("%s: path: %s code: %d \n", __func__, usermnt, ret);
} }