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drivers: dma-removed: align size first

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Align size first and then find required number of bits and
order out of it.

Change-Id: I9b12fb45e5c1ff79e24fe7584cd23923b1a88c87
Signed-off-by: Shiraz Hashim <shashim@codeaurora.org>
This commit is contained in:
Shiraz Hashim 2015-09-12 12:31:10 +05:30 • committed by David Keitel
parent ce7a052ffc
commit dd0ab21370
1 changed files with 6 additions and 4 deletions
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10
drivers/base/dma-removed.c
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@ -79,17 +79,19 @@ void *removed_alloc(struct device *dev, size_t size, dma_addr_t *handle,
attrs);
bool skip_zeroing = dma_get_attr(DMA_ATTR_SKIP_ZEROING, attrs);
int pageno;
unsigned long order = get_order(size);
unsigned long order;
void *addr = NULL;
struct removed_region *dma_mem = dev->removed_mem;
int nbits = size >> PAGE_SHIFT;
int nbits;
unsigned int align;
size = PAGE_ALIGN(size);
if (!(gfp & __GFP_WAIT))
return NULL;
size = PAGE_ALIGN(size);
nbits = size >> PAGE_SHIFT;
order = get_order(size);
if (order > get_order(SZ_1M))
order = get_order(SZ_1M);