[PATCH v4 06/11] net/tap: use rte_pktmbuf_motd_offset

[Stephen Hemminger]

Replace explicit packet offset computations with rte_pktmbuf_mtod_offset().

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
 drivers/net/tap/rte_eth_tap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
index bf98f7555990..968a1b6b45df 100644
--- a/drivers/net/tap/rte_eth_tap.c
+++ b/drivers/net/tap/rte_eth_tap.c
@@ -672,8 +672,8 @@ tap_write_mbufs(struct tx_queue *txq, uint16_t num_mbufs,
 			if (seg_len > l234_hlen) {
 				iovecs[k].iov_len = seg_len - l234_hlen;
 				iovecs[k].iov_base =
-					rte_pktmbuf_mtod(seg, char *) +
-						l234_hlen;
+					rte_pktmbuf_mtod_offset(seg, char *,
+								l234_hlen);
 				tap_tx_l4_add_rcksum(iovecs[k].iov_base,
 					iovecs[k].iov_len, l4_cksum,
 					&l4_raw_cksum);
-- 
2.39.2