linux-kernel - [PATCH v06 14/36] arm uapi asm/signal.h: include <stddef.h> for size

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Date:   Sun,  6 Aug 2017 18:44:05 +0200
From:   Mikko Rapeli <mikko.rapeli@....fi>
To:     linux-kernel@...r.kernel.org, linux-api@...r.kernel.org
Cc:     Mikko Rapeli <mikko.rapeli@....fi>, Arnd Bergmann <arnd@...db.de>,
        Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v06 14/36] arm uapi asm/signal.h: include <stddef.h> for size_t in userspace

Arnd Bergmann <arnd@...db.de> doubts that __kernel_size_t could be used here
so trying to fall back to gcc's <stddef.h>.

Fixes uapi header compilation error from userspace on ARCH=arm:

asm/signal.h:112:2: error: unknown type name ‘size_t’
  size_t ss_size;

Signed-off-by: Mikko Rapeli <mikko.rapeli@....fi>
Cc: Arnd Bergmann <arnd@...db.de>
---
 arch/arm/include/uapi/asm/signal.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/include/uapi/asm/signal.h b/arch/arm/include/uapi/asm/signal.h
index 33073bdcf091..63066f624c10 100644
--- a/arch/arm/include/uapi/asm/signal.h
+++ b/arch/arm/include/uapi/asm/signal.h
@@ -12,6 +12,8 @@ struct siginfo;
 #define NSIG		32
 typedef unsigned long sigset_t;
 
+#include <stddef.h>
+
 #endif /* __KERNEL__ */
 
 #define SIGHUP		 1
-- 
2.13.3