IB/core: Fix endianness annotation in rdma_is_multicast_addr()

Since ipv4_addr is a big endian 32-bit number, annotate it as such. Fixes: commit be1d325 ("IB/core: Set RoCEv2 MGID according to spec") Signed-off-by: Bart Van Assche <[email protected]> Reviewed-by: Leon Romanovsky <[email protected]> Signed-off-by: Doug Ledford <[email protected]>
vieko · Oct 15, 2017 · 1c3aea2 · 1c3aea2
1 parent 166245d
commit 1c3aea2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
@@ -305,12 +305,12 @@ static inline void rdma_get_ll_mac(struct in6_addr *addr, u8 *mac)
 
 static inline int rdma_is_multicast_addr(struct in6_addr *addr)
 {
-	u32 ipv4_addr;
+	__be32 ipv4_addr;
 
 	if (addr->s6_addr[0] == 0xff)
 		return 1;
 
-	memcpy(&ipv4_addr, addr->s6_addr + 12, 4);
+	ipv4_addr = addr->s6_addr32[3];
 	return (ipv6_addr_v4mapped(addr) && ipv4_is_multicast(ipv4_addr));
 }