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authorChristoph Hellwig <[email protected]>2020-07-23 06:09:07 +0000
committerDavid S. Miller <[email protected]>2020-07-24 22:41:54 +0000
commita7b75c5a8c41445f33efb663887ff5f5c3b4454b (patch)
treea87e011ba3a0d76fda030b3a62080caa97fae1ef /net/mptcp/protocol.c
parentnet/tcp: switch do_tcp_setsockopt to sockptr_t (diff)
downloadkernel-a7b75c5a8c41445f33efb663887ff5f5c3b4454b.tar.gz
kernel-a7b75c5a8c41445f33efb663887ff5f5c3b4454b.zip
net: pass a sockptr_t into ->setsockopt
Rework the remaining setsockopt code to pass a sockptr_t instead of a plain user pointer. This removes the last remaining set_fs(KERNEL_DS) outside of architecture specific code. Signed-off-by: Christoph Hellwig <[email protected]> Acked-by: Stefan Schmidt <[email protected]> [ieee802154] Acked-by: Matthieu Baerts <[email protected]> Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/mptcp/protocol.c')
-rw-r--r--net/mptcp/protocol.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 7246847efa90..2891ae8a1028 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -1632,7 +1632,7 @@ static void mptcp_destroy(struct sock *sk)
}
static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname,
- char __user *optval, unsigned int optlen)
+ sockptr_t optval, unsigned int optlen)
{
struct sock *sk = (struct sock *)msk;
struct socket *ssock;
@@ -1648,8 +1648,7 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname,
return -EINVAL;
}
- ret = sock_setsockopt(ssock, SOL_SOCKET, optname,
- USER_SOCKPTR(optval), optlen);
+ ret = sock_setsockopt(ssock, SOL_SOCKET, optname, optval, optlen);
if (ret == 0) {
if (optname == SO_REUSEPORT)
sk->sk_reuseport = ssock->sk->sk_reuseport;
@@ -1660,12 +1659,11 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname,
return ret;
}
- return sock_setsockopt(sk->sk_socket, SOL_SOCKET, optname,
- USER_SOCKPTR(optval), optlen);
+ return sock_setsockopt(sk->sk_socket, SOL_SOCKET, optname, optval, optlen);
}
static int mptcp_setsockopt_v6(struct mptcp_sock *msk, int optname,
- char __user *optval, unsigned int optlen)
+ sockptr_t optval, unsigned int optlen)
{
struct sock *sk = (struct sock *)msk;
int ret = -EOPNOTSUPP;
@@ -1692,7 +1690,7 @@ static int mptcp_setsockopt_v6(struct mptcp_sock *msk, int optname,
}
static int mptcp_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
+ sockptr_t optval, unsigned int optlen)
{
struct mptcp_sock *msk = mptcp_sk(sk);
struct sock *ssk;