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authorLiviu Dudau <Liviu.Dudau@arm.com>2016-01-21 11:57:47 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-07 17:34:58 -0800
commit70bc916b2c80913753fb188d4daee50a64d21ba0 (patch)
tree6feec2399f59dc95cf919a95e229b6b599af38e2
parent2ef230531ee171a475fc3ddad5516dd7e09a8a77 (diff)
staging: android: ion: Set the length of the DMA sg entries in buffer
ion_buffer_create() will allocate a buffer and then create a DMA mapping for it, but it forgot to set the length of the page entries. Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Jon Medhurst <tixy@linaro.org> Acked-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/staging/android/ion/ion.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index e237e9f3312d..df560216d702 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -251,8 +251,10 @@ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
* memory coming from the heaps is ready for dma, ie if it has a
* cached mapping that mapping has been invalidated
*/
- for_each_sg(buffer->sg_table->sgl, sg, buffer->sg_table->nents, i)
+ for_each_sg(buffer->sg_table->sgl, sg, buffer->sg_table->nents, i) {
sg_dma_address(sg) = sg_phys(sg);
+ sg_dma_len(sg) = sg->length;
+ }
mutex_lock(&dev->buffer_lock);
ion_buffer_add(dev, buffer);
mutex_unlock(&dev->buffer_lock);