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| author | Jens Axboe <axboe@kernel.dk> | 2020-02-27 18:11:20 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-03-10 18:12:49 +0300 |
| commit | 0a384abfae66651b28e4bbe16883b1ff046ba3b3 (patch) | |
| tree | 482a79b57843d0a2184ecff7c5535ddf9304a88a /include/linux/socket.h | |
| parent | 4d954c258a0c365a85a2d1b1cccf63aec38fca4c (diff) | |
| download | linux-0a384abfae66651b28e4bbe16883b1ff046ba3b3.tar.xz | |
net: abstract out normal and compat msghdr import
This splits it into two parts, one that imports the message, and one
that imports the iovec. This allows a caller to only do the first part,
and import the iovec manually afterwards.
No functional changes in this patch.
Acked-by: David Miller <davem@davemloft.net>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/socket.h')
| -rw-r--r-- | include/linux/socket.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/socket.h b/include/linux/socket.h index 2d2313403101..fc59ac825561 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -391,6 +391,10 @@ 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); /* helpers which do the actual work for syscalls */ extern int __sys_recvfrom(int fd, void __user *ubuf, size_t size, |