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ion: add alignment check to chunk heap
[sfrench/cifs-2.6.git]
/
drivers
/
staging
/
android
/
ion
/
ion_chunk_heap.c
diff --git
a/drivers/staging/android/ion/ion_chunk_heap.c
b/drivers/staging/android/ion/ion_chunk_heap.c
index f21530f4f7aef637c2e9760fd0d4ef4e9b2fc828..a0720891fe4e4ca52598da28ce87d8f28a60e276 100644
(file)
--- 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;