# \[PATCH 3/4\] USB: Protect hcd.h from multiple inclusions

- From: Anton Vorontsov \<hidden\>
- Date: 2008-09-24 00:04:26 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2008/09/1154086
- Thread: https://ratatoskr.run/lkml/2008/09/1154082/t.md

```text
This will let us use this header in other header files.
Will be needed for the FHCI USB Host driver.

Signed-off-by: Anton Vorontsov <redacted>
---
 drivers/usb/core/hcd.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index e710ce0..66b64d7 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -16,6 +16,8 @@
  * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#ifndef __USB_CORE_HCD_H
+#define __USB_CORE_HCD_H
 
 #ifdef __KERNEL__
 
@@ -483,3 +485,5 @@ static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb,
 extern struct rw_semaphore ehci_cf_port_reset_rwsem;
 
 #endif /* __KERNEL__ */
+
+#endif /* __USB_CORE_HCD_H */
-- 
1.5.6.3
```