diff options
Diffstat (limited to 'sys/compat/linux/linux_socket.c')
-rw-r--r-- | sys/compat/linux/linux_socket.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c index 465c573..c73a57a 100644 --- a/sys/compat/linux/linux_socket.c +++ b/sys/compat/linux/linux_socket.c @@ -993,35 +993,22 @@ linux_sendmsg(struct thread *td, struct linux_sendmsg_args *args) { struct linux_sendmsg_args linux_args; struct msghdr msg; - struct iovec aiov[UIO_SMALLIOV], *iov; + struct iovec *iov; int error; - if ((error = copyin(args, &linux_args, sizeof(linux_args)))) + error = copyin(args, &linux_args, sizeof(linux_args)); + if (error) return (error); - error = copyin(linux_args.msg, &msg, sizeof(msg)); if (error) return (error); - if ((u_int)msg.msg_iovlen >= UIO_SMALLIOV) { - if ((u_int)msg.msg_iovlen >= UIO_MAXIOV) - return (EMSGSIZE); - MALLOC(iov, struct iovec *, - sizeof(struct iovec) * (u_int)msg.msg_iovlen, M_IOV, - M_WAITOK); - } else { - iov = aiov; - } - if (msg.msg_iovlen && - (error = copyin(msg.msg_iov, iov, - (unsigned)(msg.msg_iovlen * sizeof (struct iovec))))) - goto done; + error = copyiniov(msg.msg_iov, msg.msg_iovlen, &iov, EMSGSIZE); + if (error) + return (error); msg.msg_iov = iov; msg.msg_flags = 0; - error = linux_sendit(td, linux_args.s, &msg, linux_args.flags); -done: - if (iov != aiov) - FREE(iov, M_IOV); + free(iov, M_IOV); return (error); } |