From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Thu, 9 Aug 2007 00:22:00 +0000 (+0000)
Subject: We need to use dma_free_coherent() instead of kfree() in mite_free_ring()
X-Git-Tag: r0_7_75~55
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=f948822b7d346f91dd61cbafc5b44a261c814642;p=comedi.git

We need to use dma_free_coherent() instead of kfree() in mite_free_ring()
now.
---

diff --git a/comedi/drivers/mite.h b/comedi/drivers/mite.h
index 1f9e4d37..07d9a3e0 100644
--- a/comedi/drivers/mite.h
+++ b/comedi/drivers/mite.h
@@ -100,8 +100,12 @@ static inline void mite_free_ring(struct mite_dma_descriptor_ring *ring)
 {
 	if(ring)
 	{
-		if(ring->descriptors) kfree(ring->descriptors);
-		if(ring->hw_dev) put_device(ring->hw_dev);
+		if(ring->descriptors)
+		{
+			dma_free_coherent(ring->hw_dev, ring->n_links * sizeof(struct mite_dma_descriptor),
+				ring->descriptors, ring->descriptors_dma_addr);
+		}
+		put_device(ring->hw_dev);
 		kfree(ring);
 	}
 };