[PATCH v3 1/4] initrd: Add the preprocessor guard in initrd.h
Kefeng Wang
wangkefeng.wang at huawei.com
Fri Jan 15 00:46:03 EST 2021
Add the preprocessor guard in initrd.h to prevent possible
build error from the multiple inclusion of same header file
multiple time.
Signed-off-by: Kefeng Wang <wangkefeng.wang at huawei.com>
---
include/linux/initrd.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/initrd.h b/include/linux/initrd.h
index 8db6f8c8030b..fc30ac30e10e 100644
--- a/include/linux/initrd.h
+++ b/include/linux/initrd.h
@@ -1,5 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LINUX_INITRD_H
+#define __LINUX_INITRD_H
+
#define INITRD_MINOR 250 /* shouldn't collide with /dev/ram* too soon ... */
/* starting block # of image */
@@ -24,3 +27,5 @@ extern char __initramfs_start[];
extern unsigned long __initramfs_size;
void console_on_rootfs(void);
+
+#endif /* __LINUX_INITRD_H */
--
2.26.2
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