[PATCH net 1/2] cxgb4: Fix work request size calculation for loopback test

[Ganji Aravind]

Work request used for sending loopback packet needs to add
the firmware work request only once. So, fix by using
correct structure size.

Fixes: 7235ffae3d2c ("cxgb4: add loopback ethtool self-test")
Signed-off-by: Ganji Aravind <ganji.arav...@chelsio.com>
---
 drivers/net/ethernet/chelsio/cxgb4/sge.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c 
b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index d2b587d1670a..7c9fe4bc235b 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -2553,8 +2553,8 @@ int cxgb4_selftest_lb_pkt(struct net_device *netdev)
 
        pkt_len = ETH_HLEN + sizeof(CXGB4_SELFTEST_LB_STR);
 
-       flits = DIV_ROUND_UP(pkt_len + sizeof(struct cpl_tx_pkt) +
-                            sizeof(*wr), sizeof(__be64));
+       flits = DIV_ROUND_UP(pkt_len + sizeof(*cpl) + sizeof(*wr),
+                            sizeof(__be64));
        ndesc = flits_to_desc(flits);
 
        lb = &pi->ethtool_lb;
-- 
2.26.2