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HID: intel-ish-hid: ipc: Add check for pci_alloc_irq_vectors

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[ Upstream commit 6baa4524027fd64d7ca524e1717c88c91a354b93 ]

Add a check for the return value of pci_alloc_irq_vectors() and return
error if it fails.

[[email protected]: reworded changelog based on Srinivas' suggestion]
Fixes: 74fbc7d371 ("HID: intel-ish-hid: add MSI interrupt support")
Signed-off-by: Chen Ni <[email protected]>
Acked-by: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Chen Ni 2024-04-29 16:54:22 +08:00 • committed by Greg Kroah-Hartman
commit c5d19837cc
1 changed files with 5 additions and 0 deletions
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5
drivers/hid/intel-ish-hid/ipc/pci-ish.c
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@ -159,6 +159,11 @@ static int ish_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* request and enable interrupt */
ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
if (ret < 0) {
dev_err(dev, "ISH: Failed to allocate IRQ vectors\n");
return ret;
}
if (!pdev->msi_enabled && !pdev->msix_enabled)
irq_flag = IRQF_SHARED;