ion: add alignment check to chunk heap

Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Colin Cross 2013-12-13 19:26:31 -08:00 committed by Greg Kroah-Hartman
parent df6cf5c8af
commit dd608dd29a

View File

@ -47,6 +47,9 @@ static int ion_chunk_heap_allocate(struct ion_heap *heap,
unsigned long num_chunks;
unsigned long allocated_size;
if (align > chunk_heap->chunk_size)
return -EINVAL;
allocated_size = ALIGN(size, chunk_heap->chunk_size);
num_chunks = allocated_size / chunk_heap->chunk_size;