6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Chen Ni <nichen@xxxxxxxxxxx>
[ Upstream commit 6baa4524027fd64d7ca524e1717c88c91a354b93 ]
Add a check for the return value of pci_alloc_irq_vectors() and return
error if it fails.
[jkosina@xxxxxxxx: reworded changelog based on Srinivas' suggestion]
Fixes: 74fbc7d371d9 ("HID: intel-ish-hid: add MSI interrupt support")
Signed-off-by: Chen Ni <nichen@xxxxxxxxxxx>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/hid/intel-ish-hid/ipc/pci-ish.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/hid/intel-ish-hid/ipc/pci-ish.c b/drivers/hid/intel-ish-hid/ipc/pci-ish.c
index 710fda5f19e1c..916d427163ca2 100644
--- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c
+++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c
@@ -216,6 +216,11 @@ 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;
--
2.43.0
