From: Mike Frysinger <vapier@xxxxxxxxxxxx>
Subject: uapi: mqueue.h: add missing linux/types.h include
Commit 63159f5dcccb385 ("uapi: Use __kernel_long_t in struct mq_attr")
changed the types from long to __kernel_long_t, but didn't add a
linux/types.h include. Code that tries to include this header directly
breaks:
/usr/include/linux/mqueue.h:26:2: error: unknown type name '__kernel_long_t'
__kernel_long_t mq_flags; /* message queue flags */
This also upsets configure tests for this header:
checking linux/mqueue.h usability... no
checking linux/mqueue.h presence... yes
configure: WARNING: linux/mqueue.h: present but cannot be compiled
configure: WARNING: linux/mqueue.h: check for missing prerequisite headers?
configure: WARNING: linux/mqueue.h: see the Autoconf documentation
configure: WARNING: linux/mqueue.h: section "Present But Cannot Be Compiled"
configure: WARNING: linux/mqueue.h: proceeding with the compiler's result
checking for linux/mqueue.h... no
Link: http://lkml.kernel.org/r/20170119194644.4403-1-vapier@xxxxxxxxxx
Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/uapi/linux/mqueue.h | 2 ++
1 file changed, 2 insertions(+)
diff -puN include/uapi/linux/mqueue.h~uapi-mqueueh-add-missing-linux-typesh-include include/uapi/linux/mqueue.h
--- a/include/uapi/linux/mqueue.h~uapi-mqueueh-add-missing-linux-typesh-include
+++ a/include/uapi/linux/mqueue.h
@@ -18,6 +18,8 @@
#ifndef _LINUX_MQUEUE_H
#define _LINUX_MQUEUE_H
+#include <linux/types.h>
+
#define MQ_PRIO_MAX 32768
/* per-uid limit of kernel memory used by mqueue, in bytes */
#define MQ_BYTES_MAX 819200
_
--
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