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Drivers: hv: balloon: Fix a memory leak 

The send buffer was being leaked; fix it.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reported-by: Jason Wang <jasowang@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
K. Y. Srinivasan 2012-12-11 11:07:17 -08:00 committed by Greg Kroah-Hartman
parent 6427a0d771
commit 33080c1cda
1 changed files with 13 additions and 10 deletions
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23
drivers/hv/hv_balloon.c
View File

@ -883,7 +883,7 @@ static int balloon_probe(struct hv_device *dev,
balloon_onchannelcallback, dev);
if (ret)
return ret;
goto probe_error0;
dm_device.dev = dev;
dm_device.state = DM_INITIALIZING;
@ -895,7 +895,7 @@ static int balloon_probe(struct hv_device *dev,
kthread_run(dm_thread_func, &dm_device, "hv_balloon");
if (IS_ERR(dm_device.thread)) {
ret = PTR_ERR(dm_device.thread);
goto probe_error0;
goto probe_error1;
}
hv_set_drvdata(dev, &dm_device);
@ -918,12 +918,12 @@ static int balloon_probe(struct hv_device *dev,
VM_PKT_DATA_INBAND,
VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
if (ret)
goto probe_error1;
goto probe_error2;
t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);
if (t == 0) {
ret = -ETIMEDOUT;
goto probe_error1;
goto probe_error2;
}
/*
@ -932,7 +932,7 @@ static int balloon_probe(struct hv_device *dev,
*/
if (dm_device.state == DM_INIT_ERROR) {
ret = -ETIMEDOUT;
goto probe_error1;
goto probe_error2;
}
/*
* Now submit our capabilities to the host.
@ -965,12 +965,12 @@ static int balloon_probe(struct hv_device *dev,
VM_PKT_DATA_INBAND,
VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
if (ret)
goto probe_error1;
goto probe_error2;
t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);
if (t == 0) {
ret = -ETIMEDOUT;
goto probe_error1;
goto probe_error2;
}
/*
@ -979,18 +979,20 @@ static int balloon_probe(struct hv_device *dev,
*/
if (dm_device.state == DM_INIT_ERROR) {
ret = -ETIMEDOUT;
goto probe_error1;
goto probe_error2;
}
dm_device.state = DM_INITIALIZED;
return 0;
probe_error1:
probe_error2:
kthread_stop(dm_device.thread);
probe_error0:
probe_error1:
vmbus_close(dev->channel);
probe_error0:
kfree(send_buffer);
return ret;
}
@ -1003,6 +1005,7 @@ static int balloon_remove(struct hv_device *dev)
vmbus_close(dev->channel);
kthread_stop(dm->thread);
kfree(send_buffer);
return 0;
}