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authorHiroshi DOYU <Hiroshi.DOYU@nokia.com>2010-05-06 17:09:25 +0300
committerHiroshi DOYU <Hiroshi.DOYU@nokia.com>2010-05-14 10:23:37 +0300
commite0a42e4fcb6bf9f93c7e63246738333040263e3e (patch)
tree653eb9270452ba6a053f463b3bc342f9376f1814 /arch/arm/plat-omap
parentfa460b88e0cc2b4254271be2da49e68d748db727 (diff)
downloadop-kernel-dev-e0a42e4fcb6bf9f93c7e63246738333040263e3e.zip
op-kernel-dev-e0a42e4fcb6bf9f93c7e63246738333040263e3e.tar.gz
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>
Diffstat (limited to 'arch/arm/plat-omap')
-rw-r--r--arch/arm/plat-omap/iovmm.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c
index 5afe013..e43983b 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)
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