linux-kernel - [PATCH 011/115] gpu: ion: fill in buffer->{dev,size} before mapping new buffers

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Date:	Fri, 13 Dec 2013 14:23:45 -0800
From:	John Stultz <john.stultz@...aro.org>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Android Kernel Team <kernel-team@...roid.com>,
	Sumit Semwal <sumit.semwal@...aro.org>,
	Jesse Barker <jesse.barker@....com>,
	Colin Cross <ccross@...roid.com>,
	Greg Hackmann <ghackmann@...gle.com>,
	John Stultz <john.stultz@...aro.org>
Subject: [PATCH 011/115] gpu: ion: fill in buffer->{dev,size} before mapping new buffers

From: Greg Hackmann <ghackmann@...gle.com>

At least one map_dma() implementation (EXYNOS_CONTIG) assumes the fields
are filled in

Signed-off-by: Greg Hackmann <ghackmann@...gle.com>
[jstultz: modified patch to apply to staging directory]
Signed-off-by: John Stultz <john.stultz@...aro.org>
---
 drivers/staging/android/ion/ion.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index 7ff9983..552a86a 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -151,6 +151,9 @@ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
 		return ERR_PTR(ret);
 	}
 
+	buffer->dev = dev;
+	buffer->size = len;
+
 	table = buffer->heap->ops->map_dma(buffer->heap, buffer);
 	if (IS_ERR_OR_NULL(table)) {
 		heap->ops->free(buffer);
@@ -159,8 +162,6 @@ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
 	}
 	buffer->sg_table = table;
 
-	buffer->dev = dev;
-	buffer->size = len;
 	mutex_init(&buffer->lock);
 	ion_buffer_add(dev, buffer);
 	return buffer;
-- 
1.8.3.2

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