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authorTony Lindgren <tony@atomide.com>2011-02-25 12:27:14 -0800
committerTony Lindgren <tony@atomide.com>2011-02-25 12:27:14 -0800
commit02fa9f0451ac639a687bfc145eefe58703ff220e (patch)
treefe984acc78f22f6eb8fb98efaba8b1ac2f3ad8d9 /arch/sparc/kernel/iommu.c
parentcbc9438075ca9dee3f39a2e7310f81c304b40359 (diff)
parent51c404b2c514930e98e81e0b9294f19892a4f871 (diff)
downloadlinux-02fa9f0451ac639a687bfc145eefe58703ff220e.tar.bz2
Merge branch 'patches_for_2.6.38rc' of git://git.pwsan.com/linux-2.6 into devel-fixes
Diffstat (limited to 'arch/sparc/kernel/iommu.c')
-rw-r--r--arch/sparc/kernel/iommu.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index 47977a77f6c6..72509d0e34be 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -255,10 +255,9 @@ static inline iopte_t *alloc_npages(struct device *dev, struct iommu *iommu,
static int iommu_alloc_ctx(struct iommu *iommu)
{
int lowest = iommu->ctx_lowest_free;
- int sz = IOMMU_NUM_CTXS - lowest;
- int n = find_next_zero_bit(iommu->ctx_bitmap, sz, lowest);
+ int n = find_next_zero_bit(iommu->ctx_bitmap, IOMMU_NUM_CTXS, lowest);
- if (unlikely(n == sz)) {
+ if (unlikely(n == IOMMU_NUM_CTXS)) {
n = find_next_zero_bit(iommu->ctx_bitmap, lowest, 1);
if (unlikely(n == lowest)) {
printk(KERN_WARNING "IOMMU: Ran out of contexts.\n");