From: Liviu Dudau Date: Thu, 21 Jan 2016 11:57:47 +0000 (+0000) Subject: staging: android: ion: Set the length of the DMA sg entries in buffer X-Git-Tag: v4.6-rc1~103^2~1203 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=70bc916b2c80913753fb188d4daee50a64d21ba0;p=linux.git 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 Signed-off-by: Jon Medhurst Acked-by: Laura Abbott Signed-off-by: Greg Kroah-Hartman --- 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);