unix_setsockopt() is called only on SOCK_DGRAM and SOCK_SEQPACKET unix sockets
Signed-off-by: Alban Crequy <alban.crequy@xxxxxxxxxxxxxxx>
Reviewed-by: Ian Molton <ian.molton@xxxxxxxxxxxxxxx>
---
net/unix/af_unix.c | 13 +++++++++++--
1 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index d8d98d5..7ea85de 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -512,6 +512,8 @@ static unsigned int unix_dgram_poll(struct file *, struct socket *,
poll_table *);
static int unix_ioctl(struct socket *, unsigned int, unsigned long);
static int unix_shutdown(struct socket *, int);
+static int unix_setsockopt(struct socket *, int, int,
+ char __user *, unsigned int);
static int unix_stream_sendmsg(struct kiocb *, struct socket *,
struct msghdr *, size_t);
static int unix_stream_recvmsg(struct kiocb *, struct socket *,
@@ -559,7 +561,7 @@ static const struct proto_ops unix_dgram_ops = {
.ioctl = unix_ioctl,
.listen = sock_no_listen,
.shutdown = unix_shutdown,
- .setsockopt = sock_no_setsockopt,
+ .setsockopt = unix_setsockopt,
.getsockopt = sock_no_getsockopt,
.sendmsg = unix_dgram_sendmsg,
.recvmsg = unix_dgram_recvmsg,
@@ -580,7 +582,7 @@ static const struct proto_ops unix_seqpacket_ops = {
.ioctl = unix_ioctl,
.listen = unix_listen,
.shutdown = unix_shutdown,
- .setsockopt = sock_no_setsockopt,
+ .setsockopt = unix_setsockopt,
.getsockopt = sock_no_getsockopt,
.sendmsg = unix_seqpacket_sendmsg,
.recvmsg = unix_dgram_recvmsg,
@@ -1561,6 +1563,13 @@ out:
}
+static int unix_setsockopt(struct socket *sock, int level, int optname,
+ char __user *optval, unsigned int optlen)
+{
+ return -EOPNOTSUPP;
+}
+
+
static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
struct msghdr *msg, size_t len)
{
--
1.7.2.3
--
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