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can: kvaser_pciefd: Add unlikely

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Use unlikely for some unexpected errors.

Signed-off-by: Martin Jocic <martin.jocic@kvaser.com>
Link: https://lore.kernel.org/all/20240614151524.2718287-6-martin.jocic@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Martin Jocic 2024-06-14 17:15:22 +02:00 committed by Marc Kleine-Budde
parent 0132a05df1
commit cebfebefaa
1 changed files with 5 additions and 5 deletions
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10
drivers/net/can/kvaser_pciefd.c
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@ -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 ||
irq & KVASER_PCIEFD_SRB_IRQ_DOF1 ||
irq & KVASER_PCIEFD_SRB_IRQ_DUF0 ||
irq & KVASER_PCIEFD_SRB_IRQ_DUF1)
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))
dev_err(&pcie->pci->dev, "DMA IRQ error 0x%08X\n", irq);
iowrite32(irq, KVASER_PCIEFD_SRB_ADDR(pcie) + KVASER_PCIEFD_SRB_IRQ_REG);