omap iommu: Exit iteration if no possibility of available area



Searching avaialable spaces should be stopped as soon as it turns out
that there's no possibility with the rest of it.

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>

parent fa460b88

arch/arm/plat-omap/iovmm.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -287,7 +287,10 @@ static struct iovm_struct alloc_iovm_area(struct iommu obj, u32 da,
		prev_end = 0;
		list_for_each_entry(tmp, &obj->mmap, list) {

		if ((prev_end < start) && (start + bytes < tmp->da_start))
		if (prev_end >= start)
		break;

		if (start + bytes < tmp->da_start)
		goto found;

		if (flags & IOVMF_DA_ANON)