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Convert usage of IN_MULTICAST to ipv4_is_multicast 

IN_MULTICAST's primary intent is as a uapi macro.

Elsewhere in the kernel we use ipv4_is_multicast consistently.

This patch unifies linux's multicast checks to use that function
rather than this macro.

Signed-off-by: Dave Taht <dave.taht@gmail.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dave Taht 2019-09-02 16:29:36 -07:00 committed by David S. Miller
parent 9367fa0841
commit 842841ece5
5 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/geneve.c
View File

@ -1345,7 +1345,7 @@ static int geneve_nl2info(struct nlattr *tb[], struct nlattr *data[],
info->key.u.ipv4.dst =
nla_get_in_addr(data[IFLA_GENEVE_REMOTE]);
if (IN_MULTICAST(ntohl(info->key.u.ipv4.dst))) {
if (ipv4_is_multicast(info->key.u.ipv4.dst)) {
NL_SET_ERR_MSG_ATTR(extack, data[IFLA_GENEVE_REMOTE],
"Remote IPv4 address cannot be Multicast");
return -EINVAL;

4
include/net/vxlan.h
View File

@ -391,7 +391,7 @@ static inline bool vxlan_addr_multicast(const union vxlan_addr *ipa)
if (ipa->sa.sa_family == AF_INET6)
return ipv6_addr_is_multicast(&ipa->sin6.sin6_addr);
else
return IN_MULTICAST(ntohl(ipa->sin.sin_addr.s_addr));
return ipv4_is_multicast(ipa->sin.sin_addr.s_addr);
}
#else /* !IS_ENABLED(CONFIG_IPV6) */
@ -403,7 +403,7 @@ static inline bool vxlan_addr_any(const union vxlan_addr *ipa)
static inline bool vxlan_addr_multicast(const union vxlan_addr *ipa)
{
return IN_MULTICAST(ntohl(ipa->sin.sin_addr.s_addr));
return ipv4_is_multicast(ipa->sin.sin_addr.s_addr);
}
#endif /* IS_ENABLED(CONFIG_IPV6) */

4
net/rds/af_rds.c
View File

@ -559,7 +559,7 @@ static int rds_connect(struct socket *sock, struct sockaddr *uaddr,
ret = -EDESTADDRREQ;
break;
}
if (IN_MULTICAST(ntohl(sin->sin_addr.s_addr)) ||
if (ipv4_is_multicast(sin->sin_addr.s_addr) ||
sin->sin_addr.s_addr == htonl(INADDR_BROADCAST)) {
ret = -EINVAL;
break;
@ -593,7 +593,7 @@ static int rds_connect(struct socket *sock, struct sockaddr *uaddr,
addr4 = sin6->sin6_addr.s6_addr32[3];
if (addr4 == htonl(INADDR_ANY) ||
addr4 == htonl(INADDR_BROADCAST) ||
IN_MULTICAST(ntohl(addr4))) {
ipv4_is_multicast(addr4)) {
ret = -EPROTOTYPE;
break;
}

4
net/rds/bind.c
View File

@ -181,7 +181,7 @@ int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
if (addr_len < sizeof(struct sockaddr_in) ||
sin->sin_addr.s_addr == htonl(INADDR_ANY) ||
sin->sin_addr.s_addr == htonl(INADDR_BROADCAST) ||
IN_MULTICAST(ntohl(sin->sin_addr.s_addr)))
ipv4_is_multicast(sin->sin_addr.s_addr))
return -EINVAL;
ipv6_addr_set_v4mapped(sin->sin_addr.s_addr, &v6addr);
binding_addr = &v6addr;
@ -206,7 +206,7 @@ int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
addr4 = sin6->sin6_addr.s6_addr32[3];
if (addr4 == htonl(INADDR_ANY) ||
addr4 == htonl(INADDR_BROADCAST) ||
IN_MULTICAST(ntohl(addr4)))
ipv4_is_multicast(addr4))
return -EINVAL;
}
/* The scope ID must be specified for link local address. */

4
net/rds/send.c
View File

@ -1144,7 +1144,7 @@ int rds_sendmsg(struct socket *sock, struct msghdr *msg, size_t payload_len)
case AF_INET:
if (usin->sin_addr.s_addr == htonl(INADDR_ANY) ||
usin->sin_addr.s_addr == htonl(INADDR_BROADCAST) ||
IN_MULTICAST(ntohl(usin->sin_addr.s_addr))) {
ipv4_is_multicast(usin->sin_addr.s_addr)) {
ret = -EINVAL;
goto out;
}
@ -1175,7 +1175,7 @@ int rds_sendmsg(struct socket *sock, struct msghdr *msg, size_t payload_len)
addr4 = sin6->sin6_addr.s6_addr32[3];
if (addr4 == htonl(INADDR_ANY) ||
addr4 == htonl(INADDR_BROADCAST) ||
IN_MULTICAST(ntohl(addr4))) {
ipv4_is_multicast(addr4)) {
ret = -EINVAL;
goto out;
}