can: kvaser_pciefd: remove redundant variable ret

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

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Jinpeng Cui <cui.jinpeng2@zte.com.cn>
Link: https://lore.kernel.org/all/20220831150805.305106-1-cui.jinpeng2@zte.com.cn
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c
index ed54c0b3c7d462de94156ab5f9c49cee4c367476..4e9680c8eb3447ae18d3fa07530ed6f8bad47802 100644 (file)
--- 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,