summaryrefslogtreecommitdiff
path: root/net/socket.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c46
1 files changed, 21 insertions, 25 deletions
diff --git a/net/socket.c b/net/socket.c
index 5f77a8e93..a1bd16106 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -466,7 +466,7 @@ static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed)
#define XATTR_SOCKPROTONAME_SUFFIX "sockprotoname"
#define XATTR_NAME_SOCKPROTONAME (XATTR_SYSTEM_PREFIX XATTR_SOCKPROTONAME_SUFFIX)
#define XATTR_NAME_SOCKPROTONAME_LEN (sizeof(XATTR_NAME_SOCKPROTONAME)-1)
-static ssize_t sockfs_getxattr(struct dentry *dentry,
+static ssize_t sockfs_getxattr(struct dentry *dentry, struct inode *inode,
const char *name, void *value, size_t size)
{
const char *proto_name;
@@ -587,22 +587,19 @@ void sock_release(struct socket *sock)
}
EXPORT_SYMBOL(sock_release);
-void __sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags)
+void __sock_tx_timestamp(__u16 tsflags, __u8 *tx_flags)
{
u8 flags = *tx_flags;
- if (sk->sk_tsflags & SOF_TIMESTAMPING_TX_HARDWARE)
+ if (tsflags & SOF_TIMESTAMPING_TX_HARDWARE)
flags |= SKBTX_HW_TSTAMP;
- if (sk->sk_tsflags & SOF_TIMESTAMPING_TX_SOFTWARE)
+ if (tsflags & SOF_TIMESTAMPING_TX_SOFTWARE)
flags |= SKBTX_SW_TSTAMP;
- if (sk->sk_tsflags & SOF_TIMESTAMPING_TX_SCHED)
+ if (tsflags & SOF_TIMESTAMPING_TX_SCHED)
flags |= SKBTX_SCHED_TSTAMP;
- if (sk->sk_tsflags & SOF_TIMESTAMPING_TX_ACK)
- flags |= SKBTX_ACK_TSTAMP;
-
*tx_flags = flags;
}
EXPORT_SYMBOL(__sock_tx_timestamp);
@@ -709,17 +706,16 @@ void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
EXPORT_SYMBOL_GPL(__sock_recv_ts_and_drops);
static inline int sock_recvmsg_nosec(struct socket *sock, struct msghdr *msg,
- size_t size, int flags)
+ int flags)
{
- return sock->ops->recvmsg(sock, msg, size, flags);
+ return sock->ops->recvmsg(sock, msg, msg_data_left(msg), flags);
}
-int sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
- int flags)
+int sock_recvmsg(struct socket *sock, struct msghdr *msg, int flags)
{
- int err = security_socket_recvmsg(sock, msg, size, flags);
+ int err = security_socket_recvmsg(sock, msg, msg_data_left(msg), flags);
- return err ?: sock_recvmsg_nosec(sock, msg, size, flags);
+ return err ?: sock_recvmsg_nosec(sock, msg, flags);
}
EXPORT_SYMBOL(sock_recvmsg);
@@ -746,7 +742,7 @@ int kernel_recvmsg(struct socket *sock, struct msghdr *msg,
iov_iter_kvec(&msg->msg_iter, READ | ITER_KVEC, vec, num, size);
set_fs(KERNEL_DS);
- result = sock_recvmsg(sock, msg, size, flags);
+ result = sock_recvmsg(sock, msg, flags);
set_fs(oldfs);
return result;
}
@@ -796,7 +792,7 @@ static ssize_t sock_read_iter(struct kiocb *iocb, struct iov_iter *to)
if (!iov_iter_count(to)) /* Match SYS5 behaviour */
return 0;
- res = sock_recvmsg(sock, &msg, iov_iter_count(to), msg.msg_flags);
+ res = sock_recvmsg(sock, &msg, msg.msg_flags);
*to = msg.msg_iter;
return res;
}
@@ -1046,7 +1042,7 @@ static int sock_fasync(int fd, struct file *filp, int on)
return -EINVAL;
lock_sock(sk);
- wq = rcu_dereference_protected(sock->wq, sock_owned_by_user(sk));
+ wq = rcu_dereference_protected(sock->wq, lockdep_sock_is_held(sk));
fasync_helper(fd, filp, on, &wq->fasync_list);
if (!wq->fasync_list)
@@ -1696,7 +1692,7 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
msg.msg_iocb = NULL;
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
- err = sock_recvmsg(sock, &msg, iov_iter_count(&msg.msg_iter), flags);
+ err = sock_recvmsg(sock, &msg, flags);
if (err >= 0 && addr != NULL) {
err2 = move_addr_to_user(&address,
@@ -2073,7 +2069,7 @@ static int ___sys_recvmsg(struct socket *sock, struct user_msghdr __user *msg,
struct iovec iovstack[UIO_FASTIOV];
struct iovec *iov = iovstack;
unsigned long cmsg_ptr;
- int total_len, len;
+ int len;
ssize_t err;
/* kernel mode address */
@@ -2091,7 +2087,6 @@ static int ___sys_recvmsg(struct socket *sock, struct user_msghdr __user *msg,
err = copy_msghdr_from_user(msg_sys, msg, &uaddr, &iov);
if (err < 0)
return err;
- total_len = iov_iter_count(&msg_sys->msg_iter);
cmsg_ptr = (unsigned long)msg_sys->msg_control;
msg_sys->msg_flags = flags & (MSG_CMSG_CLOEXEC|MSG_CMSG_COMPAT);
@@ -2101,8 +2096,7 @@ static int ___sys_recvmsg(struct socket *sock, struct user_msghdr __user *msg,
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
- err = (nosec ? sock_recvmsg_nosec : sock_recvmsg)(sock, msg_sys,
- total_len, flags);
+ err = (nosec ? sock_recvmsg_nosec : sock_recvmsg)(sock, msg_sys, flags);
if (err < 0)
goto out_freeiov;
len = err;
@@ -2174,7 +2168,8 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
struct mmsghdr __user *entry;
struct compat_mmsghdr __user *compat_entry;
struct msghdr msg_sys;
- struct timespec end_time;
+ struct timespec64 end_time;
+ struct timespec64 timeout64;
if (timeout &&
poll_select_set_timeout(&end_time, timeout->tv_sec,
@@ -2226,8 +2221,9 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
flags |= MSG_DONTWAIT;
if (timeout) {
- ktime_get_ts(timeout);
- *timeout = timespec_sub(end_time, *timeout);
+ ktime_get_ts64(&timeout64);
+ *timeout = timespec64_to_timespec(
+ timespec64_sub(end_time, timeout64));
if (timeout->tv_sec < 0) {
timeout->tv_sec = timeout->tv_nsec = 0;
break;