diff options
| author | Mat Martineau <mathew.j.martineau@linux.intel.com> | 2020-01-09 18:59:14 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-01-10 05:41:40 +0300 |
| commit | e9cdced78dc20c1592c1fb98ed064943007a46c5 (patch) | |
| tree | 733872a3d2f4cc0aac217f383b1d69e91879ba61 | |
| parent | 6b3acfc3cc3d54a99cc5148960edfc38c94a93f2 (diff) | |
| download | linux-e9cdced78dc20c1592c1fb98ed064943007a46c5.tar.xz | |
net: Make sock protocol value checks more specific
SK_PROTOCOL_MAX is only used in two places, for DECNet and AX.25. The
limits have more to do with the those protocol definitions than they do
with the data type of sk_protocol, so remove SK_PROTOCOL_MAX and use
U8_MAX directly.
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/sock.h | 1 | ||||
| -rw-r--r-- | net/ax25/af_ax25.c | 2 | ||||
| -rw-r--r-- | net/decnet/af_decnet.c | 2 |
3 files changed, 2 insertions, 3 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 8dff68b4c316..091e55428415 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -458,7 +458,6 @@ struct sock { sk_userlocks : 4, sk_protocol : 8, sk_type : 16; -#define SK_PROTOCOL_MAX U8_MAX u16 sk_gso_max_segs; u8 sk_pacing_shift; unsigned long sk_lingertime; diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 324306d6fde0..ff57ea89c27e 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -808,7 +808,7 @@ static int ax25_create(struct net *net, struct socket *sock, int protocol, struct sock *sk; ax25_cb *ax25; - if (protocol < 0 || protocol > SK_PROTOCOL_MAX) + if (protocol < 0 || protocol > U8_MAX) return -EINVAL; if (!net_eq(net, &init_net)) diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index e19a92a62e14..0a46ea3bddd5 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -670,7 +670,7 @@ static int dn_create(struct net *net, struct socket *sock, int protocol, { struct sock *sk; - if (protocol < 0 || protocol > SK_PROTOCOL_MAX) + if (protocol < 0 || protocol > U8_MAX) return -EINVAL; if (!net_eq(net, &init_net)) |