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* [PATCH] dmaengine: fix memleak in dma_async_device_unregister
@ 2010-01-26  9:26 Anatolij Gustschin
  0 siblings, 0 replies; only message in thread
From: Anatolij Gustschin @ 2010-01-26  9:26 UTC (permalink / raw)
  To: linux-kernel; +Cc: Anatolij Gustschin, Maciej Sosnowski, Dan Williams

While debugging a dma driver I noticed a memleak after
unloading the driver module.

Caught by kmemleak.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Maciej Sosnowski <maciej.sosnowski@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>

---
 drivers/dma/dmaengine.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 6f51a0a..e7a3230 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -826,6 +826,7 @@ void dma_async_device_unregister(struct dma_device *device)
 		chan->dev->chan = NULL;
 		mutex_unlock(&dma_list_mutex);
 		device_unregister(&chan->dev->device);
+		free_percpu(chan->local);
 	}
 }
 EXPORT_SYMBOL(dma_async_device_unregister);
-- 
1.6.2.5


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2010-01-26  9:26 [PATCH] dmaengine: fix memleak in dma_async_device_unregister Anatolij Gustschin

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