Merge ../linux-2.6

[pandora-kernel.git] / net / sctp / sm_make_chunk.c

diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 4f11f58..17b5092 100644 (file)
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -806,38 +806,26 @@ no_mem:
 
 /* Helper to create ABORT with a SCTP_ERROR_USER_ABORT error.  */
 struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *asoc,
-                                  const struct sctp_chunk *chunk,
-                                  const struct msghdr *msg)
+                                       const struct msghdr *msg,
+                                       size_t paylen)
 {
        struct sctp_chunk *retval;
-       void *payload = NULL, *payoff;
-       size_t paylen = 0;
-       struct iovec *iov = NULL;
-       int iovlen = 0;
-
-       if (msg) {
-               iov = msg->msg_iov;
-               iovlen = msg->msg_iovlen;
-               paylen = get_user_iov_size(iov, iovlen);
-       }
+       void *payload = NULL;
+       int err;
 
-       retval = sctp_make_abort(asoc, chunk, sizeof(sctp_errhdr_t) + paylen);
+       retval = sctp_make_abort(asoc, NULL, sizeof(sctp_errhdr_t) + paylen);
        if (!retval)
                goto err_chunk;
 
        if (paylen) {
                /* Put the msg_iov together into payload.  */
-               payload = kmalloc(paylen, GFP_ATOMIC);
+               payload = kmalloc(paylen, GFP_KERNEL);
                if (!payload)
                        goto err_payload;
-               payoff = payload;
 
-               for (; iovlen > 0; --iovlen) {
-                       if (copy_from_user(payoff, iov->iov_base,iov->iov_len))
-                               goto err_copy;
-                       payoff += iov->iov_len;
-                       iov++;
-               }
+               err = memcpy_fromiovec(payload, msg->msg_iov, paylen);
+               if (err < 0)
+                       goto err_copy;
        }
 
        sctp_init_cause(retval, SCTP_ERROR_USER_ABORT, payload, paylen);