From cebfebefaa012afbe49ad5e4d6bb97d573beb32d Mon Sep 17 00:00:00 2001 From: Martin Jocic Date: Fri, 14 Jun 2024 17:15:22 +0200 Subject: [PATCH] can: kvaser_pciefd: Add unlikely Use unlikely for some unexpected errors. Signed-off-by: Martin Jocic Link: https://lore.kernel.org/all/20240614151524.2718287-6-martin.jocic@kvaser.com Signed-off-by: Marc Kleine-Budde --- drivers/net/can/kvaser_pciefd.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c index 3d40d7b3d64c4..b08084b0a95bd 100644 --- a/drivers/net/can/kvaser_pciefd.c +++ b/drivers/net/can/kvaser_pciefd.c @@ -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); -- 2.39.5