can: flexcan: do_bus_err(): convert rx_,tx_errors into bool

This patch converts the rx_errors and tx_errors from int into bool
values, to reflect their actual meaning.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 84e465a..84ebb3e 100644 (file)
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -524,41 +524,41 @@ static void do_bus_err(struct net_device *dev,
                       struct can_frame *cf, u32 reg_esr)
 {
        struct flexcan_priv *priv = netdev_priv(dev);
-       int rx_errors = 0, tx_errors = 0;
+       bool rx_errors = false, tx_errors = false;
 
        cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;
 
        if (reg_esr & FLEXCAN_ESR_BIT1_ERR) {
                netdev_dbg(dev, "BIT1_ERR irq\n");
                cf->data[2] |= CAN_ERR_PROT_BIT1;
-               tx_errors = 1;
+               tx_errors = true;
        }
        if (reg_esr & FLEXCAN_ESR_BIT0_ERR) {
                netdev_dbg(dev, "BIT0_ERR irq\n");
                cf->data[2] |= CAN_ERR_PROT_BIT0;
-               tx_errors = 1;
+               tx_errors = true;
        }
        if (reg_esr & FLEXCAN_ESR_ACK_ERR) {
                netdev_dbg(dev, "ACK_ERR irq\n");
                cf->can_id |= CAN_ERR_ACK;
                cf->data[3] = CAN_ERR_PROT_LOC_ACK;
-               tx_errors = 1;
+               tx_errors = true;
        }
        if (reg_esr & FLEXCAN_ESR_CRC_ERR) {
                netdev_dbg(dev, "CRC_ERR irq\n");
                cf->data[2] |= CAN_ERR_PROT_BIT;
                cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;
-               rx_errors = 1;
+               rx_errors = true;
        }
        if (reg_esr & FLEXCAN_ESR_FRM_ERR) {
                netdev_dbg(dev, "FRM_ERR irq\n");
                cf->data[2] |= CAN_ERR_PROT_FORM;
-               rx_errors = 1;
+               rx_errors = true;
        }
        if (reg_esr & FLEXCAN_ESR_STF_ERR) {
                netdev_dbg(dev, "STF_ERR irq\n");
                cf->data[2] |= CAN_ERR_PROT_STUFF;
-               rx_errors = 1;
+               rx_errors = true;
        }
 
        priv->can.can_stats.bus_error++;