netdev - [PATCH v3 net-next 08/11] i40e, xsk: Simplify the do-while allocation loop

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Date:   Mon, 18 Jan 2021 16:13:15 +0100
From:   Maciej Fijalkowski <maciej.fijalkowski@...el.com>
To:     intel-wired-lan@...ts.osuosl.org
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        anthony.l.nguyen@...el.com, kuba@...nel.org, bjorn.topel@...el.com,
        magnus.karlsson@...el.com,
        Maciej Fijalkowski <maciej.fijalkowski@...el.com>
Subject: [PATCH v3 net-next 08/11] i40e, xsk: Simplify the do-while allocation loop

From: Björn Töpel <bjorn.topel@...el.com>

Fold the count decrement into the while-statement.

Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
Signed-off-by: Björn Töpel <bjorn.topel@...el.com>
---
 drivers/net/ethernet/intel/i40e/i40e_xsk.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index 47eb9c584a12..457ce365a007 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -215,9 +215,7 @@ bool i40e_alloc_rx_buffers_zc(struct i40e_ring *rx_ring, u16 count)
 			bi = i40e_rx_bi(rx_ring, 0);
 			ntu = 0;
 		}
-
-		count--;
-	} while (count);
+	} while (--count);
 
 no_buffers:
 	if (rx_ring->next_to_use != ntu) {
-- 
2.20.1