| From | John Stultz <> | Subject | [PATCH 100/115] ion: add alignment check to carveout heap | Date | Fri, 13 Dec 2013 19:26:20 -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_carveout_heap.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/staging/android/ion/ion_carveout_heap.c b/drivers/staging/android/ion/ion_carveout_heap.c index 1d53e91..b0b08c3 100644 --- a/drivers/staging/android/ion/ion_carveout_heap.c +++ b/drivers/staging/android/ion/ion_carveout_heap.c @@ -70,6 +70,9 @@ static int ion_carveout_heap_allocate(struct ion_heap *heap, unsigned long size, unsigned long align, unsigned long flags) { + if (align > PAGE_SIZE) + return -EINVAL; + buffer->priv_phys = ion_carveout_allocate(heap, size, align); return buffer->priv_phys == ION_CARVEOUT_ALLOCATE_FAIL ? -ENOMEM : 0; } -- 1.8.3.2
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