sctp: switch to copy_from_iter_full()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 3 deletions

diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 118faff6a332..8a08f13469c4 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -1512,14 +1512,12 @@ int sctp_user_addto_chunk(struct sctp_chunk *chunk, int len,
                           struct iov_iter *from)
 {
         void *target;
-        ssize_t copied;
 
         /* Make room in chunk for data.  */
         target = skb_put(chunk->skb, len);
 
         /* Copy data (whole iovec) into chunk */
-        copied = copy_from_iter(target, len, from);
-        if (copied != len)
+        if (!copy_from_iter_full(target, len, from))
                 return -EFAULT;
 
         /* Adjust the chunk length field.  */