kernel: guard path_umount logging

* path_umount pretty much guaranteed to work as is, so it would not need
  much logging.

Unlike sys_umount which is an alternative to path_umount for older kernel, so, sys_umount need constant logging.

Signed-off-by: rsuntk <rsuntk@yukiprjkt.my.id>

kernel/core_hook.c

@@ -658,7 +658,9 @@ static bool should_umount(struct path *path)
 static void ksu_path_umount(const char *mnt, struct path *path, int flags)
 {
 	int ret = path_umount(path, flags);
+#ifdef CONFIG_KSU_DEBUG
 	pr_info("%s: path: %s ret: %d\n", __func__, mnt, ret);
+#endif
 }
 #define ksu_umount_mnt(mnt, path, flags)	(ksu_path_umount(mnt, path, flags))
 #else
@@ -685,7 +687,7 @@ static void ksu_sys_umount(const char *mnt, int flags)
 		ksu_sys_umount(mnt, flags);	\
 	})
 
-#endif 
+#endif
 
 static void try_umount(const char *mnt, bool check_mnt, int flags)
 {