From e0a42e4fcb6bf9f93c7e63246738333040263e3e Mon Sep 17 00:00:00 2001 From: Hiroshi DOYU Date: Thu, 6 May 2010 17:09:25 +0300 Subject: [PATCH] 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 --- arch/arm/plat-omap/iovmm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c index 5afe0135b979..e43983ba59c5 100644 --- a/arch/arm/plat-omap/iovmm.c +++ b/arch/arm/plat-omap/iovmm.c @@ -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)