From: Sudeep Holla Date: Fri, 3 Apr 2020 17:10:17 +0000 (+0100) Subject: firmware: arm_scmi: Add include guard to linux/scmi_protocol.h X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=70771c69ab9be6e37618b1ec6c105f370e510f94;p=linux.git firmware: arm_scmi: Add include guard to linux/scmi_protocol.h If this header is include twice, it will generate loads of compile time error with the following below error pattern. It was reported by 0day kbuild robot on a branch pushed with double inclusion by accident. error: conflicting types for ‘...’ note: previous declaration of ‘...’ was here error: redefinition of ‘...’ Add a header include guard just in case. Link: https://lore.kernel.org/r/20200403171018.1230-1-sudeep.holla@arm.com Reported-by: kbuild test robot Signed-off-by: Sudeep Holla --- diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index 5c873a59b3871..ce2f5c28b2dfd 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -4,6 +4,10 @@ * * Copyright (C) 2018 ARM Ltd. */ + +#ifndef _LINUX_SCMI_PROTOCOL_H +#define _LINUX_SCMI_PROTOCOL_H + #include #include @@ -319,3 +323,5 @@ static inline void scmi_driver_unregister(struct scmi_driver *driver) {} typedef int (*scmi_prot_init_fn_t)(struct scmi_handle *); int scmi_protocol_register(int protocol_id, scmi_prot_init_fn_t fn); void scmi_protocol_unregister(int protocol_id); + +#endif /* _LINUX_SCMI_PROTOCOL_H */