can: c_can: fix remaining checkpatch warnings

This patch fixes the remaining checkpatch warnings in the driver.

Link: https://lore.kernel.org/r/20210304154240.2747987-7-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/c_can/c_can.c

@@ -753,7 +753,8 @@ static u32 c_can_adjust_pending(u32 pend)
 	/* Find the first set bit after the gap. We walk backwards
 	 * from the last set bit.
 	 */
-	for (lasts--; pend & (1 << (lasts - 1)); lasts--);
+	for (lasts--; pend & (1 << (lasts - 1)); lasts--)
+		;
 
 	return pend & ~((1 << lasts) - 1);
 }

drivers/net/can/c_can/c_can_pci.c

@@ -267,7 +267,7 @@ static const struct c_can_pci_data c_can_pch = {
 
 #define C_CAN_ID(_vend, _dev, _driverdata) {		\
 	PCI_DEVICE(_vend, _dev),			\
-	.driver_data = (unsigned long)&_driverdata,	\
+	.driver_data = (unsigned long)&(_driverdata),	\
 }
 
 static const struct pci_device_id c_can_pci_tbl[] = {