diff options
| author | Dylan Yudaken <dylany@fb.com> | 2022-07-14 04:02:57 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-07-24 18:39:17 -0600 |
| commit | 72c531f8ef3052c682d39dc21dcb5576afda208c (patch) | |
| tree | fa5f25b57b6ac98b2af9048f4e604d6547d27f37 /include/net/compat.h | |
| parent | 7fa875b8e53c288d616234b9daf417b0650ce1cc (diff) | |
net: copy from user before calling __get_compat_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/20220714110258.1336200-3-dylany@fb.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/net/compat.h')
| -rw-r--r-- | include/net/compat.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/include/net/compat.h b/include/net/compat.h index 595fee069b82..84c163f40f38 100644 --- a/include/net/compat.h +++ b/include/net/compat.h @@ -46,9 +46,8 @@ struct compat_rtentry { unsigned short rt_irtt; /* Initial RTT */ }; -int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg, - struct sockaddr __user **save_addr, compat_uptr_t *ptr, - compat_size_t *len); +int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr *msg, + struct sockaddr __user **save_addr); int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *, struct sockaddr __user **, struct iovec **); int put_cmsg_compat(struct msghdr*, int, int, int, void *); |