Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 70bc916b authored by Liviu Dudau's avatar Liviu Dudau Committed by Greg Kroah-Hartman
Browse files

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: default avatarLiviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: default avatarJon Medhurst <tixy@linaro.org>
Acked-by: default avatarLaura Abbott <labbott@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2ef23053

drivers/staging/android/ion/ion.c

+3 −1
Original line number Diff line number Diff line
@@ -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);