[PATCH] drivers: pci: initialise class to 0 before reading

[Hugh Cole-Baker]

Otherwise, uninitialised memory from the upper 32 bits can end up in
find_id.class, and this causes bugs later when looking for a driver for
the class.

Signed-off-by: Hugh Cole-Baker <sigmaris at gmail.com>
---
 drivers/pci/pci-uclass.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index fab20fc60e..c28a1cc363 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -773,7 +773,7 @@ int pci_bind_bus_devices(struct udevice *bus)
 	     bdf += PCI_BDF(0, 0, 1)) {
 		struct pci_child_platdata *pplat;
 		struct udevice *dev;
-		ulong class;
+		ulong class = 0;
 
 		if (!PCI_FUNC(bdf))
 			found_multi = false;
-- 
2.17.2 (Apple Git-113)