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-rw-r--r--nic3com.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/nic3com.c b/nic3com.c
index 8d67b54..27e28c7 100644
--- a/nic3com.c
+++ b/nic3com.c
@@ -96,6 +96,8 @@ int nic3com_init(void)
return 1;
io_base_addr = pcidev_readbar(dev, PCI_BASE_ADDRESS_0);
+ if (!io_base_addr)
+ return 1;
id = dev->device_id;
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