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| author | Tong Tiangen <tongtiangen@huawei.com> | 2021-06-01 13:01:55 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2021-06-11 10:02:14 +0300 |
| commit | 57c126661f50b884d3812e7db6e00f2e778eccfb (patch) | |
| tree | 95245ad3b04b8c548d226ec4e9473e4a7cfdb9f1 | |
| parent | 760fe22cf5e9f5d0212aa4c9aef555625c167627 (diff) | |
| download | linux-57c126661f50b884d3812e7db6e00f2e778eccfb.tar.xz | |
crypto: nitrox - fix unchecked variable in nitrox_register_interrupts
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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/cavium/nitrox/nitrox_isr.c | 4 |
1 files changed, 4 insertions, 0 deletions
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); |