diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/msix.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/hw/msix.c b/hw/msix.c index 785e097d80..4bc6147234 100644 --- a/hw/msix.c +++ b/hw/msix.c @@ -105,14 +105,6 @@ static int msix_add_config(struct PCIDevice *pdev, unsigned short nentries, return 0; } -static void msix_free_irq_entries(PCIDevice *dev) -{ - int vector; - - for (vector = 0; vector < dev->msix_entries_nr; ++vector) - dev->msix_entry_used[vector] = 0; -} - /* Handle MSI-X capability config write. */ void msix_write_config(PCIDevice *dev, uint32_t addr, uint32_t val, int len) @@ -271,6 +263,16 @@ err_index: return ret; } +static void msix_free_irq_entries(PCIDevice *dev) +{ + int vector; + + for (vector = 0; vector < dev->msix_entries_nr; ++vector) { + dev->msix_entry_used[vector] = 0; + msix_clr_pending(dev, vector); + } +} + /* Clean up resources for the device. */ int msix_uninit(PCIDevice *dev) { @@ -387,8 +389,13 @@ int msix_vector_use(PCIDevice *dev, unsigned vector) /* Mark vector as unused. */ void msix_vector_unuse(PCIDevice *dev, unsigned vector) { - if (vector < dev->msix_entries_nr && dev->msix_entry_used[vector]) - --dev->msix_entry_used[vector]; + if (vector >= dev->msix_entries_nr || !dev->msix_entry_used[vector]) { + return; + } + if (--dev->msix_entry_used[vector]) { + return; + } + msix_clr_pending(dev, vector); } void msix_unuse_all_vectors(PCIDevice *dev) |