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-rw-r--r--drivers/pci/pci-stub.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/pci-stub.c b/drivers/pci/pci-stub.c
index 4c0336b31caf..775e933c2225 100644
--- a/drivers/pci/pci-stub.c
+++ b/drivers/pci/pci-stub.c
@@ -58,6 +58,9 @@ static int __init pci_stub_init(void)
subdevice = PCI_ANY_ID, class=0, class_mask=0;
int fields;
+ if (!strlen(id))
+ continue;
+
fields = sscanf(id, "%x:%x:%x:%x:%x:%x",
&vendor, &device, &subvendor, &subdevice,
&class, &class_mask);