diff --git a/net/core/datagram.c b/net/core/datagram.c
index 94cc4705e91d..62e44ab136b7 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -551,7 +551,7 @@ int skb_copy_datagram_from_iter(struct sk_buff *skb, int offset,
 				 int len)
 {
 	int start = skb_headlen(skb);
-	int i, copy = start - offset;
+	int i, copy = start - offset, start_off = offset;
 	struct sk_buff *frag_iter;
 
 	/* Copy header. */
@@ -614,6 +614,7 @@ int skb_copy_datagram_from_iter(struct sk_buff *skb, int offset,
 		return 0;
 
 fault:
+	iov_iter_revert(from, offset - start_off);
 	return -EFAULT;
 }
 EXPORT_SYMBOL(skb_copy_datagram_from_iter);