[Qemu-devel] [PATCH] PCI: add param check for api

[Cao jin]

add param check for pci_add_capability2, as it is a public API.

Signed-off-by: Cao jin <address@hidden>
---
 hw/pci/pci.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 168b9cc..6938f64 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -2144,6 +2144,9 @@ int pci_add_capability2(PCIDevice *pdev, uint8_t cap_id,
     uint8_t *config;
     int i, overlapping_cap;
 
+    assert(size > 0);
+    assert(offset >= PCI_CONFIG_HEADER_SIZE || !offset);
+
     if (!offset) {
         offset = pci_find_space(pdev, size);
         if (!offset) {
-- 
2.1.0