There's a bug in the MCA bus matching algorithm in that it promotes from
signed short to int before comparing with the actual id and does sign
extension on anything > 0x7fff (which means that pos ids > 0x7fff never
get correctly matched).
Signed-off-by: James Bottomley <[email protected]>
---
diff --git a/drivers/mca/mca-bus.c b/drivers/mca/mca-bus.c
index da862e4..a70fe00 100644
--- a/drivers/mca/mca-bus.c
+++ b/drivers/mca/mca-bus.c
@@ -47,7 +47,7 @@ static int mca_bus_match (struct device *dev, struct device_driver *drv)
{
struct mca_device *mca_dev = to_mca_device (dev);
struct mca_driver *mca_drv = to_mca_driver (drv);
- const short *mca_ids = mca_drv->id_table;
+ const unsigned short *mca_ids = mca_drv->id_table;
int i;
if (!mca_ids)
-
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