From: Bjørn Mork <bjorn@mork.no>
Date: Thu, 27 Feb 2014 13:20:29 +0000 (+0100)
Subject: ipv6: addrconf: silence sparse endianness warnings
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=bc861959103cb5ca43157db6ddb83d1e17e9c38a;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

ipv6: addrconf: silence sparse endianness warnings

Avoid the following sparse __CHECK_ENDIAN__ warnings:

 include/net/addrconf.h:318:25: warning: restricted __be64 degrades to integer
 include/net/addrconf.h:318:70: warning: restricted __be64 degrades to integer
 include/net/addrconf.h:330:25: warning: restricted __be64 degrades to integer
 include/net/addrconf.h:330:70: warning: restricted __be64 degrades to integer
 include/net/addrconf.h:347:25: warning: restricted __be64 degrades to integer
 include/net/addrconf.h:348:26: warning: restricted __be64 degrades to integer
 include/net/addrconf.h:349:18: warning: restricted __be64 degrades to integer

The warnings are false but they make it harder to spot real
bugs.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 50e39a8822b4..933a9f22a05f 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -314,7 +314,7 @@ static inline bool ipv6_addr_is_multicast(const struct in6_addr *addr)
 static inline bool ipv6_addr_is_ll_all_nodes(const struct in6_addr *addr)
 {
 #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
-	__u64 *p = (__u64 *)addr;
+	__be64 *p = (__be64 *)addr;
 	return ((p[0] ^ cpu_to_be64(0xff02000000000000UL)) | (p[1] ^ cpu_to_be64(1))) == 0UL;
 #else
 	return ((addr->s6_addr32[0] ^ htonl(0xff020000)) |
@@ -326,7 +326,7 @@ static inline bool ipv6_addr_is_ll_all_nodes(const struct in6_addr *addr)
 static inline bool ipv6_addr_is_ll_all_routers(const struct in6_addr *addr)
 {
 #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
-	__u64 *p = (__u64 *)addr;
+	__be64 *p = (__be64 *)addr;
 	return ((p[0] ^ cpu_to_be64(0xff02000000000000UL)) | (p[1] ^ cpu_to_be64(2))) == 0UL;
 #else
 	return ((addr->s6_addr32[0] ^ htonl(0xff020000)) |
@@ -343,7 +343,7 @@ static inline bool ipv6_addr_is_isatap(const struct in6_addr *addr)
 static inline bool ipv6_addr_is_solict_mult(const struct in6_addr *addr)
 {
 #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
-	__u64 *p = (__u64 *)addr;
+	__be64 *p = (__be64 *)addr;
 	return ((p[0] ^ cpu_to_be64(0xff02000000000000UL)) |
 		((p[1] ^ cpu_to_be64(0x00000001ff000000UL)) &
 		 cpu_to_be64(0xffffffffff000000UL))) == 0UL;