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| author | Hiroshi DOYU <Hiroshi.DOYU@nokia.com> | 2010-05-06 16:09:25 +0200 |
|---|---|---|
| committer | Hiroshi DOYU <Hiroshi.DOYU@nokia.com> | 2010-05-14 09:23:37 +0200 |
| commit | e0a42e4fcb6bf9f93c7e63246738333040263e3e (patch) | |
| tree | 653eb9270452ba6a053f463b3bc342f9376f1814 /arch/arm/plat-omap/iovmm.c | |
| parent | omap iommu: Insert a gap page between IOVMAs against override (diff) | |
| download | linux-e0a42e4fcb6bf9f93c7e63246738333040263e3e.tar.xz linux-e0a42e4fcb6bf9f93c7e63246738333040263e3e.zip | |
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/iovmm.c')
| -rw-r--r-- | arch/arm/plat-omap/iovmm.c | 5 |
1 files changed, 4 insertions, 1 deletions
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) |