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Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r--net/sctp/sm_make_chunk.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index e49bccebb0cc..e49e231cef52 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -1491,26 +1491,26 @@ static void *sctp_addto_chunk_fixed(struct sctp_chunk *chunk,
* chunk is not big enough.
* Returns a kernel err value.
*/
-int sctp_user_addto_chunk(struct sctp_chunk *chunk, int off, int len,
- struct iovec *data)
+int sctp_user_addto_chunk(struct sctp_chunk *chunk, int len,
+ struct iov_iter *from)
{
- __u8 *target;
- int err = 0;
+ void *target;
+ ssize_t copied;
/* Make room in chunk for data. */
target = skb_put(chunk->skb, len);
/* Copy data (whole iovec) into chunk */
- if ((err = memcpy_fromiovecend(target, data, off, len)))
- goto out;
+ copied = copy_from_iter(target, len, from);
+ if (copied != len)
+ return -EFAULT;
/* Adjust the chunk length field. */
chunk->chunk_hdr->length =
htons(ntohs(chunk->chunk_hdr->length) + len);
chunk->chunk_end = skb_tail_pointer(chunk->skb);
-out:
- return err;
+ return 0;
}
/* Helper function to assign a TSN if needed. This assumes that both