linux-kernel - [PATCH 5.15 021/102] sfc: Use swap() instead of open coding it

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Message-Id: <20220516193624.609133677@linuxfoundation.org>
Date:   Mon, 16 May 2022 21:35:55 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Abaci Robot <abaci@...ux.alibaba.com>,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Martin Habets <habetsm.xilinx@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 021/102] sfc: Use swap() instead of open coding it

From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>

[ Upstream commit 0cf765fb00ce083c017f2571ac449cf7912cdb06 ]

Clean the following coccicheck warning:

./drivers/net/ethernet/sfc/efx_channels.c:870:36-37: WARNING opportunity
for swap().

./drivers/net/ethernet/sfc/efx_channels.c:824:36-37: WARNING opportunity
for swap().

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Acked-by: Martin Habets <habetsm.xilinx@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/sfc/efx_channels.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/sfc/efx_channels.c b/drivers/net/ethernet/sfc/efx_channels.c
index 1f8cfd806008..2623df1fa741 100644
--- a/drivers/net/ethernet/sfc/efx_channels.c
+++ b/drivers/net/ethernet/sfc/efx_channels.c
@@ -897,11 +897,8 @@ int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries)
 	old_txq_entries = efx->txq_entries;
 	efx->rxq_entries = rxq_entries;
 	efx->txq_entries = txq_entries;
-	for (i = 0; i < efx->n_channels; i++) {
-		channel = efx->channel[i];
-		efx->channel[i] = other_channel[i];
-		other_channel[i] = channel;
-	}
+	for (i = 0; i < efx->n_channels; i++)
+		swap(efx->channel[i], other_channel[i]);
 
 	/* Restart buffer table allocation */
 	efx->next_buffer_table = next_buffer_table;
@@ -944,11 +941,8 @@ int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries)
 	/* Swap back */
 	efx->rxq_entries = old_rxq_entries;
 	efx->txq_entries = old_txq_entries;
-	for (i = 0; i < efx->n_channels; i++) {
-		channel = efx->channel[i];
-		efx->channel[i] = other_channel[i];
-		other_channel[i] = channel;
-	}
+	for (i = 0; i < efx->n_channels; i++)
+		swap(efx->channel[i], other_channel[i]);
 	goto out;
 }
 
-- 
2.35.1