Fix a bug in error handling in vmbus_bus_init().
Signed-off-by: K. Y. Srinivasan <[email protected]>
Signed-off-by: Haiyang Zhang <[email protected]>
---
drivers/staging/hv/vmbus_drv.c | 26 +++++++++++++++-----------
1 files changed, 15 insertions(+), 11 deletions(-)
diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
index 757943b..b5e06d6 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -492,7 +492,7 @@ static int vmbus_bus_init(int irq)
ret = bus_register(&hv_bus);
if (ret)
- return ret;
+ goto err_cleanup;
ret = request_irq(irq, vmbus_isr, IRQF_SAMPLE_RANDOM,
driver_name, hv_acpi_dev);
@@ -500,10 +500,7 @@ static int vmbus_bus_init(int irq)
if (ret != 0) {
pr_err("Unable to request IRQ %d\n",
irq);
-
- bus_unregister(&hv_bus);
-
- return ret;
+ goto err_unregister;
}
vector = IRQ0_VECTOR + irq;
@@ -514,16 +511,23 @@ static int vmbus_bus_init(int irq)
*/
on_each_cpu(hv_synic_init, (void *)&vector, 1);
ret = vmbus_connect();
- if (ret) {
- free_irq(irq, hv_acpi_dev);
- bus_unregister(&hv_bus);
- return ret;
- }
-
+ if (ret)
+ goto err_irq;
vmbus_request_offers();
return 0;
+
+err_irq:
+ free_irq(irq, hv_acpi_dev);
+
+err_unregister:
+ bus_unregister(&hv_bus);
+
+err_cleanup:
+ hv_cleanup();
+
+ return ret;
}
/**
--
1.7.4.1
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