Commit cebfebef authored by Martin Jocic's avatar Martin Jocic Committed by Marc Kleine-Budde
Browse files

can: kvaser_pciefd: Add unlikely 



Use unlikely for some unexpected errors.

Signed-off-by: default avatarMartin Jocic <martin.jocic@kvaser.com>
Link: https://lore.kernel.org/all/20240614151524.2718287-6-martin.jocic@kvaser.com


Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 0132a05d

drivers/net/can/kvaser_pciefd.c

+5 −5
Original line number Diff line number Diff line
@@ -1619,7 +1619,7 @@ static int kvaser_pciefd_read_packet(struct kvaser_pciefd *pcie, int *start_pos, 
	/* Position does not point to the end of the package,

	 * corrupted packet size?

	 */

	if ((*start_pos + size) != pos)

	if (unlikely((*start_pos + size) != pos))

		return -EIO;



	/* Point to the next packet header, if any */
@@ -1658,10 +1658,10 @@ static void kvaser_pciefd_receive_irq(struct kvaser_pciefd *pcie) 
			  KVASER_PCIEFD_SRB_ADDR(pcie) + KVASER_PCIEFD_SRB_CMD_REG);

	}



	if (irq & KVASER_PCIEFD_SRB_IRQ_DOF0 ||

	if (unlikely(irq & KVASER_PCIEFD_SRB_IRQ_DOF0 ||

		     irq & KVASER_PCIEFD_SRB_IRQ_DOF1 ||

		     irq & KVASER_PCIEFD_SRB_IRQ_DUF0 ||

	    irq & KVASER_PCIEFD_SRB_IRQ_DUF1)

		     irq & KVASER_PCIEFD_SRB_IRQ_DUF1))

		dev_err(&pcie->pci->dev, "DMA IRQ error 0x%08X\n", irq);



	iowrite32(irq, KVASER_PCIEFD_SRB_ADDR(pcie) + KVASER_PCIEFD_SRB_IRQ_REG);