On 12/12/2012 03:07 AM, K. Y. Srinivasan wrote:
> The send buffer was being leaked; fix it.
>
> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> Reviewed-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
> Reported-by: Jason Wang <jasowang@xxxxxxxxxx>
> ---
> drivers/hv/hv_balloon.c | 23 +++++++++++++----------
> 1 files changed, 13 insertions(+), 10 deletions(-)
Thanks.
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
> diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
> index 00c8447..c02a33e 100644
> --- a/drivers/hv/hv_balloon.c
> +++ b/drivers/hv/hv_balloon.c
> @@ -882,7 +882,7 @@ 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;
> @@ -894,7 +894,7 @@ 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);
> @@ -917,12 +917,12 @@ 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;
> }
>
> /*
> @@ -931,7 +931,7 @@ 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.
> @@ -964,12 +964,12 @@ 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;
> }
>
> /*
> @@ -978,18 +978,20 @@ 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;
> }
>
> @@ -1002,6 +1004,7 @@ static int balloon_remove(struct hv_device *dev)
>
> vmbus_close(dev->channel);
> kthread_stop(dm->thread);
> + kfree(send_buffer);
>
> return 0;
> }
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