[PATCH -next] crypto: nitrox - fix unchecked variable in nitrox_register_interrupts
flat view
STALE1967d
From: Tong Tiangen <hidden>
Date: 2021-06-01 09:52:48
Also in:
lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
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 <redacted>
---
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