---

yaml --- r: 118653 b: refs/heads/master c: c3d4f44 h: refs/heads/master i: 118651: f1db444 v: v3
git-mirror · Nov 10, 2008 · 83d081a · 83d081a
1 parent 222988c
commit 83d081a
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fd0fcf5c29dd0339c5f5d86eb2cbe9fdad5bcd73
+refs/heads/master: c3d4f44f50b65b0b0290e357f8739cfb3f4bcaca
diff --git a/trunk/drivers/dma/ioat_dma.c b/trunk/drivers/dma/ioat_dma.c
@@ -807,6 +807,12 @@ static void ioat_dma_free_chan_resources(struct dma_chan *chan)
 	struct ioat_desc_sw *desc, *_desc;
 	int in_use_descs = 0;
 
+	/* Before freeing channel resources first check
+	 * if they have been previously allocated for this channel.
+	 */
+	if (ioat_chan->desccount == 0)
+		return;
+
 	tasklet_disable(&ioat_chan->cleanup_task);
 	ioat_dma_memcpy_cleanup(ioat_chan);
 
@@ -869,6 +875,7 @@ static void ioat_dma_free_chan_resources(struct dma_chan *chan)
 	ioat_chan->last_completion = ioat_chan->completion_addr = 0;
 	ioat_chan->pending = 0;
 	ioat_chan->dmacount = 0;
+	ioat_chan->desccount = 0;
 	ioat_chan->watchdog_completion = 0;
 	ioat_chan->last_compl_desc_addr_hw = 0;
 	ioat_chan->watchdog_tcp_cookie =