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path: root/drivers/net/wimax/i2400m/driver.c
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Diffstat (limited to 'drivers/net/wimax/i2400m/driver.c')
-rw-r--r--drivers/net/wimax/i2400m/driver.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index cc900b9..cc58a86 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -384,9 +384,11 @@ retry:
dev_err(dev, "cannot create workqueue\n");
goto error_create_workqueue;
}
- result = i2400m->bus_dev_start(i2400m);
- if (result < 0)
- goto error_bus_dev_start;
+ if (i2400m->bus_dev_start) {
+ result = i2400m->bus_dev_start(i2400m);
+ if (result < 0)
+ goto error_bus_dev_start;
+ }
i2400m->ready = 1;
wmb(); /* see i2400m->ready's documentation */
/* process pending reports from the device */
@@ -413,7 +415,8 @@ error_check_mac_addr:
wmb(); /* see i2400m->ready's documentation */
flush_workqueue(i2400m->work_queue);
error_fw_check:
- i2400m->bus_dev_stop(i2400m);
+ if (i2400m->bus_dev_stop)
+ i2400m->bus_dev_stop(i2400m);
error_bus_dev_start:
destroy_workqueue(i2400m->work_queue);
error_create_workqueue:
@@ -480,7 +483,8 @@ void __i2400m_dev_stop(struct i2400m *i2400m)
wmb(); /* see i2400m->ready's documentation */
flush_workqueue(i2400m->work_queue);
- i2400m->bus_dev_stop(i2400m);
+ if (i2400m->bus_dev_stop)
+ i2400m->bus_dev_stop(i2400m);
destroy_workqueue(i2400m->work_queue);
i2400m_rx_release(i2400m);
i2400m_tx_release(i2400m);