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Subject[PATCH 111/115] ion: add alignment check to chunk heap
Date
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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