| From | John Stultz <> | Subject | [PATCH 111/115] ion: add alignment check to chunk heap | Date | Fri, 13 Dec 2013 19:26:31 -0800 |
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From: Colin Cross <ccross@android.com>
Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: John Stultz <john.stultz@linaro.org> --- drivers/staging/android/ion/ion_chunk_heap.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/staging/android/ion/ion_chunk_heap.c b/drivers/staging/android/ion/ion_chunk_heap.c index f21530f..a072089 100644 --- a/drivers/staging/android/ion/ion_chunk_heap.c +++ b/drivers/staging/android/ion/ion_chunk_heap.c @@ -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; -- 1.8.3.2
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