diff options
| author | droidfivex <droidfivex@gmail.com> | 2016-11-18 01:05:47 +0900 |
|---|---|---|
| committer | droidfivex <droidfivex@gmail.com> | 2016-11-18 01:05:47 +0900 |
| commit | 1e8e1576c95730e425f472a569bb15325329a99e (patch) | |
| tree | 66b14ebbc47c0bc6023aa57b91b1ab5a9ee6c8e6 /arch/arm/mm/dma-mapping.c | |
| parent | 8b77716a2a034c7658ea6569ddaa814c312dd94f (diff) | |
| parent | 30bdd78c2f639b28acc02a4133479311e01b18ce (diff) | |
Diffstat (limited to 'arch/arm/mm/dma-mapping.c')
| -rw-r--r-- | arch/arm/mm/dma-mapping.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 65d9ee41042..8420ccb15ed 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -474,6 +474,7 @@ static void *__alloc_from_pool(size_t size, struct page **ret_page) if (pageno < pool->nr_pages) { bitmap_set(pool->bitmap, pageno, count); ptr = pool->vaddr + PAGE_SIZE * pageno; + memset(ptr, 0, size); *ret_page = pool->page + pageno; } spin_unlock_irqrestore(&pool->lock, flags); |