diff --git a/os_dep/osdep_service.c b/os_dep/osdep_service.c
index 13a5bea..7a3f777 100644
--- a/os_dep/osdep_service.c
+++ b/os_dep/osdep_service.c
@@ -1919,12 +1919,10 @@ static int readFile(struct file *fp, char *buf, int len)
 		return -EPERM;
 
 	while (sum < len) {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0))
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0))
 		rlen = kernel_read(fp, buf + sum, len - sum, &fp->f_pos);
-#else
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0))
 		rlen = __vfs_read(fp, buf + sum, len - sum, &fp->f_pos);
-#endif
 #else
 		rlen = fp->f_op->read(fp, buf + sum, len - sum, &fp->f_pos);
 #endif