commit d2a8737891898d586e7e5e4760e9690b9316a6c9
author Laura Abbott <lauraa@codeaurora.org> Thu Oct 20 17:53:49 2011 -0700
committer Laura Abbott <lauraa@codeaurora.org> Fri Oct 28 07:54:42 2011 -0700
tree c57c8720ca1c6d6aea1ebcca1cffd9cb8e9fadc3
parent 05a58c025d62a7ccc655fb83db188e37a837b342

gpu: ion: Add warning during client freeing

Add warning when freeing client with buffers that are currently
mappped.

Change-Id: Ib8e17786daa7c890245c3d3e37143137cae7d078
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>

drivers/gpu/ion/ion.c

diff --git a/drivers/gpu/ion/ion.c b/drivers/gpu/ion/ion.c
index 930ba83..3bc3280 100644
--- a/drivers/gpu/ion/ion.c
+++ b/drivers/gpu/ion/ion.c
@@ -204,6 +204,7 @@
 	/* XXX Can a handle be destroyed while it's map count is non-zero?:
 	   if (handle->map_cnt) unmap
 	 */
+	WARN_ON(handle->kmap_cnt || handle->dmap_cnt || handle->usermap_cnt);
 	ion_buffer_put(handle->buffer);
 	mutex_lock(&handle->client->lock);
 	if (!RB_EMPTY_NODE(&handle->node))