From: Bart Van Assche bart.vanassche@wdc.com
[ Upstream commit 1c3aea2bc8f0b2e5b57375ead40457ff75a3a2ec ]
Since ipv4_addr is a big endian 32-bit number, annotate it as such.
Fixes: commit be1d325a3358 ("IB/core: Set RoCEv2 MGID according to spec") Signed-off-by: Bart Van Assche bart.vanassche@wdc.com Reviewed-by: Leon Romanovsky leonro@mellanox.com Signed-off-by: Doug Ledford dledford@redhat.com Signed-off-by: Sasha Levin alexander.levin@verizon.com --- include/rdma/ib_addr.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h index 8815989301ab..b2a10c762304 100644 --- a/include/rdma/ib_addr.h +++ b/include/rdma/ib_addr.h @@ -306,12 +306,12 @@ 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)); }