[net-next 12/14] can: peak_usb: pcan_usb_get_serial(): make use of le32_to_cpup()

[Marc Kleine-Budde]

This patch replaces the memcpy() + le32_to_cpu() by le32_to_cpup().

Link: https://lore.kernel.org/r/20210406111622.1874957-9-...@pengutronix.de
Acked-by: Stephane Grosjean <s.grosj...@peak-system.com>
Tested-by: Stephane Grosjean <s.grosj...@peak-system.com>
Signed-off-by: Marc Kleine-Budde <m...@pengutronix.de>
---
 drivers/net/can/usb/peak_usb/pcan_usb.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c 
b/drivers/net/can/usb/peak_usb/pcan_usb.c
index fd5ea95fd55d..ffb01c3a3827 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb.c
@@ -368,12 +368,8 @@ static int pcan_usb_get_serial(struct peak_usb_device 
*dev, u32 *serial_number)
        if (err)
                return err;
 
-       if (serial_number) {
-               __le32 tmp32;
-
-               memcpy(&tmp32, args, 4);
-               *serial_number = le32_to_cpu(tmp32);
-       }
+       if (serial_number)
+               *serial_number = le32_to_cpup((__le32 *)args);
 
        return 0;
 }
-- 
2.30.2