kernel: build: sucompat: hide / inline hook fns on syscall table hook

related: 7d33689

cant just flatten as some kernels already have heavy inlining by def.
lets respect kernel kbuild instead

Signed-off-by: backslashxx <118538522+backslashxx@users.noreply.github.com>

Author: backslashxx

kernel/feature/sucompat.c

@@ -1,3 +1,9 @@
+#ifdef CONFIG_KSU_TAMPER_SYSCALL_TABLE
+#define SUCOMPAT_HOOK_TYPE static __always_inline int
+#else
+#define SUCOMPAT_HOOK_TYPE int
+#endif
+
 #define SU_PATH "/system/bin/su"
 #define SH_PATH "/system/bin/sh"
 
@@ -213,7 +219,7 @@ static __always_inline void ksu_sucompat_user_common(const char __user **filenam
 }
 
 // sys_faccessat
-int ksu_handle_faccessat(int *dfd, const char __user **filename_user, int *mode, int *__unused_flags)
+SUCOMPAT_HOOK_TYPE ksu_handle_faccessat(int *dfd, const char __user **filename_user, int *mode, int *__unused_flags)
 {
 	if (!is_su_allowed((const void **)filename_user))
 		return 0;
@@ -223,7 +229,7 @@ int ksu_handle_faccessat(int *dfd, const char __user **filename_user, int *mode,
 }
 
 // sys_newfstatat, sys_fstat64
-int ksu_handle_stat(int *dfd, const char __user **filename_user, int *flags)
+SUCOMPAT_HOOK_TYPE ksu_handle_stat(int *dfd, const char __user **filename_user, int *flags)
 {
 	if (!is_su_allowed((const void **)filename_user))
 		return 0;
@@ -233,7 +239,7 @@ int ksu_handle_stat(int *dfd, const char __user **filename_user, int *flags)
 }
 
 // sys_execve, compat_sys_execve
-int ksu_handle_execve(const char __user **filename_user, void *argv, void *envp)
+SUCOMPAT_HOOK_TYPE ksu_handle_execve(const char __user **filename_user, void *argv, void *envp)
 {
 
 #ifdef CONFIG_KSU_FEATURE_ADBROOT
@@ -247,7 +253,7 @@ int ksu_handle_execve(const char __user **filename_user, void *argv, void *envp)
 	return 0;
 }
 
-
+#ifndef CONFIG_KSU_TAMPER_SYSCALL_TABLE
 static __always_inline void ksu_sucompat_kernel_common(void **restrict filename_ptr, void *restrict argv, void *restrict envp, const char *function_name)
 {
 
@@ -326,6 +332,7 @@ int ksu_legacy_execve_sucompat(const char **filename_ptr, void *argv, void *envp
 	return 0;
 }
 #endif
+#endif // CONFIG_KSU_TAMPER_SYSCALL_TABLE
 
 #ifdef CONFIG_KSU_TAMPER_SYSCALL_TABLE
 static void syscall_table_sucompat_enable();