can: xilinx_can: Check return value of set_reset_mode

Check return value of set_reset_mode() for error.

Addresses-Coverity: "check_return"
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/bac2c2b857986472a11db341b3f6f7a8905ad0dd.1600073396.git.michal.simek@xilinx.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Srinivas Neeli 2020-09-14 10:49:57 +02:00 committed by Marc Kleine-Budde
parent 05ca14fdb6
commit a61035c5a8

View file

@ -1369,9 +1369,13 @@ static irqreturn_t xcan_interrupt(int irq, void *dev_id)
static void xcan_chip_stop(struct net_device *ndev)
{
struct xcan_priv *priv = netdev_priv(ndev);
int ret;
/* Disable interrupts and leave the can in configuration mode */
set_reset_mode(ndev);
ret = set_reset_mode(ndev);
if (ret < 0)
netdev_dbg(ndev, "set_reset_mode() Failed\n");
priv->can.state = CAN_STATE_STOPPED;
}