diff options
| author |   Dylan Yudaken <dylany@fb.com> | 2022-07-14 04:02:56 -0700 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2022-07-24 18:39:17 -0600 |
| commit | 7fa875b8e53c288d616234b9daf417b0650ce1cc (patch) | |
| tree | 90e39aaad21bdbfe46b354283a988039c5c15c0e /include/linux/socket.h | |
| parent | io_uring: support 0 length iov in buffer select in compat (diff) | |
| download | wireguard-linux-7fa875b8e53c288d616234b9daf417b0650ce1cc.tar.xz wireguard-linux-7fa875b8e53c288d616234b9daf417b0650ce1cc.zip | |
net: copy from user before calling __copy_msghdr
this is in preparation for multishot receive from io_uring, where it needs
to have access to the original struct user_msghdr.
functionally this should be a no-op.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Dylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220714110258.1336200-2-dylany@fb.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/socket.h')
| -rw-r--r-- | include/linux/socket.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/include/linux/socket.h b/include/linux/socket.h index 17311ad9f9af..be24f1c8568a 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -416,10 +416,9 @@ extern int recvmsg_copy_msghdr(struct msghdr *msg, struct user_msghdr __user *umsg, unsigned flags, struct sockaddr __user **uaddr, struct iovec **iov); -extern int __copy_msghdr_from_user(struct msghdr *kmsg, - struct user_msghdr __user *umsg, - struct sockaddr __user **save_addr, - struct iovec __user **uiov, size_t *nsegs); +extern int __copy_msghdr(struct msghdr *kmsg, + struct user_msghdr *umsg, + struct sockaddr __user **save_addr); /* helpers which do the actual work for syscalls */ extern int __sys_recvfrom(int fd, void __user *ubuf, size_t size, |