linux-kernel - [PATCH 5.4 09/98] wireless: Use linux/stddef.h instead of stddef.h

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Message-Id: <20201201084653.920606418@linuxfoundation.org>
Date:   Tue,  1 Dec 2020 09:52:46 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hauke Mehrtens <hauke@...ke-m.de>,
        Johannes Berg <johannes.berg@...el.com>
Subject: [PATCH 5.4 09/98] wireless: Use linux/stddef.h instead of stddef.h

From: Hauke Mehrtens <hauke@...ke-m.de>

commit 1b9ae0c92925ac40489be526d67d0010d0724ce0 upstream.

When compiling inside the kernel include linux/stddef.h instead of
stddef.h. When I compile this header file in backports for power PC I
run into a conflict with ptrdiff_t. I was unable to reproduce this in
mainline kernel. I still would like to fix this problem in the kernel.

Fixes: 6989310f5d43 ("wireless: Use offsetof instead of custom macro.")
Signed-off-by: Hauke Mehrtens <hauke@...ke-m.de>
Link: https://lore.kernel.org/r/20200521201422.16493-1-hauke@hauke-m.de
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 include/uapi/linux/wireless.h |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/include/uapi/linux/wireless.h
+++ b/include/uapi/linux/wireless.h
@@ -74,7 +74,11 @@
 #include <linux/socket.h>		/* for "struct sockaddr" et al	*/
 #include <linux/if.h>			/* for IFNAMSIZ and co... */
 
-#include <stddef.h>                     /* for offsetof */
+#ifdef __KERNEL__
+#	include <linux/stddef.h>	/* for offsetof */
+#else
+#	include <stddef.h>		/* for offsetof */
+#endif
 
 /***************************** VERSION *****************************/
 /*