linux-kernel - [PATCH linux-next] can: kvaser_pciefd: remove redundant variable ret

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Date:   Wed, 31 Aug 2022 15:08:05 +0000
From:   cgel.zte@...il.com
To:     wg@...ndegger.com, mkl@...gutronix.de, davem@...emloft.net
Cc:     edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jinpeng Cui <cui.jinpeng2@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] can: kvaser_pciefd: remove redundant variable ret

From: Jinpeng Cui <cui.jinpeng2@....com.cn>

Return value directly from readl_poll_timeout() instead of
getting value from redundant variable ret.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Jinpeng Cui <cui.jinpeng2@....com.cn>
---
 drivers/net/can/kvaser_pciefd.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c
index ed54c0b3c7d4..4e9680c8eb34 100644
--- a/drivers/net/can/kvaser_pciefd.c
+++ b/drivers/net/can/kvaser_pciefd.c
@@ -329,12 +329,9 @@ MODULE_DEVICE_TABLE(pci, kvaser_pciefd_id_table);
 static int kvaser_pciefd_spi_wait_loop(struct kvaser_pciefd *pcie, int msk)
 {
 	u32 res;
-	int ret;
-
-	ret = readl_poll_timeout(pcie->reg_base + KVASER_PCIEFD_SPI_STATUS_REG,
-				 res, res & msk, 0, 10);
 
-	return ret;
+	return readl_poll_timeout(pcie->reg_base + KVASER_PCIEFD_SPI_STATUS_REG,
+			res, res & msk, 0, 10);
 }
 
 static int kvaser_pciefd_spi_cmd(struct kvaser_pciefd *pcie, const u8 *tx,
-- 
2.25.1