From: Chen Ni <nichen@iscas.ac.cn>
To: srinivas.pandruvada@linux.intel.com, jikos@kernel.org,
bentiss@kernel.org, even.xu@intel.com, lixu.zhang@intel.com,
kai.heng.feng@canonical.com, hongyan.song@intel.com
Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
Chen Ni <nichen@iscas.ac.cn>
Subject: [PATCH] HID: intel-ish-hid: ipc: Add check for pci_alloc_irq_vectors
Date: Mon, 29 Apr 2024 16:54:22 +0800 [thread overview]
Message-ID: <20240429085422.2434036-1-nichen@iscas.ac.cn> (raw)
Add check for the return value of pci_alloc_irq_vectors() and return
the error if it fails in order to catch the error.
Fixes: 74fbc7d371d9 ("HID: intel-ish-hid: add MSI interrupt support")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
---
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 e79d72f7db2a..9b9bc58f0524 100644
--- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c
+++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c
@@ -174,6 +174,11 @@ 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;
--
2.25.1
next reply other threads:[~2024-04-29 8:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-29 8:54 Chen Ni [this message]
2024-05-02 15:23 ` [PATCH] HID: intel-ish-hid: ipc: Add check for pci_alloc_irq_vectors srinivas pandruvada
2024-05-06 21:11 ` Jiri Kosina
2024-05-06 21:52 ` srinivas pandruvada
2024-05-06 21:55 ` Jiri Kosina
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