device_create is not fully functional in linux 2.6.18.

diff --git a/include/linux/device.h b/include/linux/device.h
index 7ed524df2a5754363eacce14610b3f2e7ab4abcd..2b7a17f23c8b3f02a159f3635630706e96019506 100644 (file)
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -103,8 +103,9 @@ static inline void device_destroy(struct class *cs, dev_t devt)
        class_device_destroy(cs, devt)
 
 #else
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)
+/* device_create does not work for NULL parent with 2.6.18, not sure
+exactly which kernel version it was fixed in. */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
 
 #define COMEDI_DEVICE_CREATE(cs, parent, devt, drvdata, fmt...) \
        (struct device *)class_device_create( \