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can: kvaser_pciefd: Call request_irq() before enabling interrupts

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commit 84762d8da8 upstream.

Make sure the interrupt handler is registered before enabling interrupts.

Fixes: 26ad340e58 ("can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices")
Cc: stable@vger.kernel.org
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://lore.kernel.org/r/20230516134318.104279-4-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jimmy Assarsson
2023-05-16 15:43:15 +02:00
committed by Greg Kroah-Hartman
parent 4857ccfbe2
commit da711a8af0
1 changed files with 5 additions and 5 deletions
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10
drivers/net/can/kvaser_pciefd.c
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@@ -1825,6 +1825,11 @@ static int kvaser_pciefd_probe(struct pci_dev *pdev,
if (err)
goto err_teardown_can_ctrls;
err = request_irq(pcie->pci->irq, kvaser_pciefd_irq_handler,
IRQF_SHARED, KVASER_PCIEFD_DRV_NAME, pcie);
if (err)
goto err_teardown_can_ctrls;
iowrite32(KVASER_PCIEFD_SRB_IRQ_DPD0 | KVASER_PCIEFD_SRB_IRQ_DPD1,
pcie->reg_base + KVASER_PCIEFD_SRB_IRQ_REG);
@@ -1845,11 +1850,6 @@ static int kvaser_pciefd_probe(struct pci_dev *pdev,
iowrite32(KVASER_PCIEFD_SRB_CMD_RDB1,
pcie->reg_base + KVASER_PCIEFD_SRB_CMD_REG);
err = request_irq(pcie->pci->irq, kvaser_pciefd_irq_handler,
IRQF_SHARED, KVASER_PCIEFD_DRV_NAME, pcie);
if (err)
goto err_teardown_can_ctrls;
err = kvaser_pciefd_reg_candev(pcie);
if (err)
goto err_free_irq;