Messages in this thread Patch in this message | | | From | Tong Tiangen <> | Subject | [PATCH -next] crypto: nitrox - fix unchecked variable in nitrox_register_interrupts | Date | Tue, 1 Jun 2021 18:01:55 +0800 |
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Function nitrox_register_interrupts leaves variable 'nr_vecs' unchecked, which would be use as kcalloc parameter later.
Fixes: 5155e118dda9 ("crypto: cavium/nitrox - use pci_alloc_irq_vectors() while enabling MSI-X.") Signed-off-by: Tong Tiangen <tongtiangen@huawei.com> --- drivers/crypto/cavium/nitrox/nitrox_isr.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/crypto/cavium/nitrox/nitrox_isr.c b/drivers/crypto/cavium/nitrox/nitrox_isr.c index c288c4b51783..f19e520da6d0 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_isr.c +++ b/drivers/crypto/cavium/nitrox/nitrox_isr.c @@ -307,6 +307,10 @@ int nitrox_register_interrupts(struct nitrox_device *ndev) * Entry 192: NPS_CORE_INT_ACTIVE */ nr_vecs = pci_msix_vec_count(pdev); + if (nr_vecs < 0) { + dev_err(DEV(ndev), "Error in getting vec count %d\n", nr_vecs); + return nr_vecs; + } /* Enable MSI-X */ ret = pci_alloc_irq_vectors(pdev, nr_vecs, nr_vecs, PCI_IRQ_MSIX); -- 2.18.0.huawei.25
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