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authorTejun Heo <tj@kernel.org>2011-02-21 09:43:56 +0100
committerTejun Heo <tj@kernel.org>2011-02-21 09:43:56 +0100
commit43d133c18b44e7d82d82ef0dcc2bddd55d5dfe81 (patch)
tree8de75c837b55874cc8a81a29bdedbc62668d4481 /arch/sparc/kernel/iommu.c
parent4149efb22da66e326fc48baf80d628834509f7f0 (diff)
parent6f576d57f1fa0d6026b495d8746d56d949989161 (diff)
Merge branch 'master' into for-2.6.39
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 47977a77f6c..72509d0e34b 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");