linux-kernel - [PATCH 1/2] uapi: fix definition of struct sockaddr_nfc

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Date:   Mon, 20 Feb 2017 21:15:33 +0300
From:   "Dmitry V. Levin" <ldv@...linux.org>
To:     Lauro Ramos Venancio <lauro.venancio@...nbossa.org>,
        Aloisio Almeida Jr <aloisio.almeida@...nbossa.org>,
        Samuel Ortiz <sameo@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>
Cc:     linux-wireless@...r.kernel.org, x86@...nel.org,
        linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] uapi: fix definition of struct sockaddr_nfc_llcp on x32 and mips n32

Replace size_t with __kernel_size_t to fix definition of struct
sockaddr_nfc_llcp on architectures like x32 and mips n32 where
sizeof(size_t) < sizeof(__kernel_size_t).

This also fixes the following linux/nfc.h userspace compilation error:

/usr/include/linux/nfc.h:279:2: error: unknown type name 'size_t'
  size_t service_name_len;

Cc: stable@...r.kernel.org
Signed-off-by: Dmitry V. Levin <ldv@...linux.org>
---
 include/uapi/linux/nfc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/linux/nfc.h b/include/uapi/linux/nfc.h
index 399f39f..f8ccc12 100644
--- a/include/uapi/linux/nfc.h
+++ b/include/uapi/linux/nfc.h
@@ -276,7 +276,7 @@ struct sockaddr_nfc_llcp {
 	__u8 dsap; /* Destination SAP, if known */
 	__u8 ssap; /* Source SAP to be bound to */
 	char service_name[NFC_LLCP_MAX_SERVICE_NAME]; /* Service name URI */;
-	size_t service_name_len;
+	__kernel_size_t service_name_len;
 };
 
 /* NFC socket protocols */
-- 
ldv