[PATCH -next] can: peak_usb: convert to use le32_add_cpu()

[Liu Shixin]

Convert cpu_to_le32(le32_to_cpu(E1) + E2) to use le32_add_cpu().

Signed-off-by: Liu Shixin <liushix...@huawei.com>
---
 drivers/net/can/usb/peak_usb/pcan_usb_pro.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c 
b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
index 1689ab387612..d8ebf35dea1c 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
@@ -186,7 +186,7 @@ static int pcan_msg_add_rec(struct pcan_usb_pro_msg *pm, 
int id, ...)
 
        len = pc - pm->rec_ptr;
        if (len > 0) {
-               *pm->u.rec_cnt = cpu_to_le32(le32_to_cpu(*pm->u.rec_cnt) + 1);
+               le32_add_cpu(pm->u.rec_cnt, 1);
                *pm->rec_ptr = id;
 
                pm->rec_ptr = pc;
-- 
2.25.1