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authorK. Y. Srinivasan <kys@microsoft.com>2012-12-11 11:07:17 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-17 11:58:00 -0800
commit33080c1cda280b918349c676cb75bedb6db4a772 (patch)
treed39ac12bf52348e0fd5f28d8f5cf7a8a0752190e /drivers/hv
parent6427a0d771dbf2a5cfbbed00caffbf1d11f4ae0b (diff)
downloadlinux-33080c1cda280b918349c676cb75bedb6db4a772.tar.gz
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>
Diffstat (limited to 'drivers/hv')
-rw-r--r--drivers/hv/hv_balloon.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index b9bb8f4c1c39..dd289fd179ca 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -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;
 }