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Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/net/socket.c b/net/socket.c
index 1b6f5e2ebef5..3d7eb2a79e82 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2146,10 +2146,13 @@ SYSCALL_DEFINE4(send, int, fd, void __user *, buff, size_t, len,
int __sys_recvfrom(int fd, void __user *ubuf, size_t size, unsigned int flags,
struct sockaddr __user *addr, int __user *addr_len)
{
+ struct sockaddr_storage address;
+ struct msghdr msg = {
+ /* Save some cycles and don't copy the address if not needed */
+ .msg_name = addr ? (struct sockaddr *)&address : NULL,
+ };
struct socket *sock;
struct iovec iov;
- struct msghdr msg;
- struct sockaddr_storage address;
int err, err2;
int fput_needed;
@@ -2160,14 +2163,6 @@ int __sys_recvfrom(int fd, void __user *ubuf, size_t size, unsigned int flags,
if (!sock)
goto out;
- msg.msg_control = NULL;
- msg.msg_controllen = 0;
- /* Save some cycles and don't copy the address if not needed */
- msg.msg_name = addr ? (struct sockaddr *)&address : NULL;
- /* We assume all kernel code knows the size of sockaddr_storage */
- msg.msg_namelen = 0;
- msg.msg_iocb = NULL;
- msg.msg_flags = 0;
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = sock_recvmsg(sock, &msg, flags);
@@ -2372,6 +2367,7 @@ int __copy_msghdr_from_user(struct msghdr *kmsg,
return -EFAULT;
kmsg->msg_control_is_user = true;
+ kmsg->msg_get_inq = 0;
kmsg->msg_control_user = msg.msg_control;
kmsg->msg_controllen = msg.msg_controllen;
kmsg->msg_flags = msg.msg_flags;