diff options
Diffstat (limited to 'drivers/crypto/qat/qat_common/adf_isr.c')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_isr.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_isr.c b/drivers/crypto/qat/qat_common/adf_isr.c index da6ef007a6ae..de2f137e44ef 100644 --- a/drivers/crypto/qat/qat_common/adf_isr.c +++ b/drivers/crypto/qat/qat_common/adf_isr.c @@ -15,6 +15,8 @@ #include "adf_transport_access_macros.h" #include "adf_transport_internal.h" +#define ADF_MAX_NUM_VFS 32 + static int adf_enable_msix(struct adf_accel_dev *accel_dev) { struct adf_accel_pci *pci_dev_info = &accel_dev->accel_pci_dev; @@ -67,7 +69,7 @@ static irqreturn_t adf_msix_isr_ae(int irq, void *dev_ptr) struct adf_bar *pmisc = &GET_BARS(accel_dev)[hw_data->get_misc_bar_id(hw_data)]; void __iomem *pmisc_bar_addr = pmisc->virt_addr; - u32 vf_mask; + unsigned long vf_mask; /* Get the interrupt sources triggered by VFs */ vf_mask = ((ADF_CSR_RD(pmisc_bar_addr, ADF_ERRSOU5) & @@ -88,8 +90,7 @@ static irqreturn_t adf_msix_isr_ae(int irq, void *dev_ptr) * unless the VF is malicious and is attempting to * flood the host OS with VF2PF interrupts. */ - for_each_set_bit(i, (const unsigned long *)&vf_mask, - (sizeof(vf_mask) * BITS_PER_BYTE)) { + for_each_set_bit(i, &vf_mask, ADF_MAX_NUM_VFS) { vf_info = accel_dev->pf.vf_info + i; if (!__ratelimit(&vf_info->vf2pf_ratelimit)) { |