datapath: Fix warning on 64-bit builds.

diff --git a/datapath/datapath.c b/datapath/datapath.c
index 756d86b..abc5599 100644 (file)
--- a/datapath/datapath.c
+++ b/datapath/datapath.c
@@ -1561,7 +1561,7 @@ ssize_t openvswitch_read(struct file *f, char __user *buf, size_t nbytes,
                }
        }
 success:
-       copy_bytes = min(skb->len, nbytes);
+       copy_bytes = min_t(size_t, skb->len, nbytes);
        iov.iov_base = buf;
        iov.iov_len = copy_bytes;
        retval = skb_copy_datagram_iovec(skb, 0, &iov, iov.iov_len);