If device_register() fails then call put_device().
See comment to device_register.
Signed-off-by: Vasiliy Kulikov <segooon@xxxxxxxxx>
---
I cannot compile this driver, so it is not tested at all.
drivers/mca/mca-bus.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/mca/mca-bus.c b/drivers/mca/mca-bus.c
index ada5ebb..7162f08 100644
--- a/drivers/mca/mca-bus.c
+++ b/drivers/mca/mca-bus.c
@@ -116,8 +116,10 @@ int __init mca_register_device(int bus, struct mca_device *mca_dev)
mca_dev->dev.coherent_dma_mask = mca_dev->dma_mask;
rc = device_register(&mca_dev->dev);
- if (rc)
+ if (rc) {
+ put_device(&mca_dev->dev);
goto err_out;
+ }
rc = device_create_file(&mca_dev->dev, &dev_attr_id);
if (rc) goto err_out_devreg;
@@ -154,6 +156,7 @@ struct mca_bus * __devinit mca_attach_bus(int bus)
dev_set_name(&mca_bus->dev, "mca%d", bus);
sprintf(mca_bus->name,"Host %s MCA Bridge", bus ? "Secondary" : "Primary");
if (device_register(&mca_bus->dev)) {
+ put_device(&mca_bus->dev);
kfree(mca_bus);
return NULL;
}
--
1.7.0.4
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