diff options
| author | Chen Ni <nichen@iscas.ac.cn> | 2024-04-29 11:54:22 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-16 14:28:36 +0300 |
| commit | c5d19837cc7382385e80379f9d929c22056c7fb6 (patch) | |
| tree | baa7fabe95a001f4768ed56fbe41eaf3d5993680 /drivers | |
| parent | 2bdad9da45e673da073c376641e4e7a28050e2fa (diff) | |
| download | linux-c5d19837cc7382385e80379f9d929c22056c7fb6.tar.xz | |
HID: intel-ish-hid: ipc: Add check for pci_alloc_irq_vectors
[ Upstream commit 6baa4524027fd64d7ca524e1717c88c91a354b93 ]
Add a check for the return value of pci_alloc_irq_vectors() and return
error if it fails.
[jkosina@suse.com: reworded changelog based on Srinivas' suggestion]
Fixes: 74fbc7d371d9 ("HID: intel-ish-hid: add MSI interrupt support")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hid/intel-ish-hid/ipc/pci-ish.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/hid/intel-ish-hid/ipc/pci-ish.c b/drivers/hid/intel-ish-hid/ipc/pci-ish.c index f491d8b4e24c..05134ee80277 100644 --- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c +++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c @@ -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; |