[POWERPC] Fix harmless typo

Fix a typo. Noticed by the unlikely profiler.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index ba0694071728f0fcd2a7af1ce0f27a03b4a68de1..f88a2a675d90f0d63f202e54c8ddafb4e476ebe1 100644 (file)
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -75,7 +75,7 @@ static unsigned long iommu_range_alloc(struct iommu_table *tbl,
        /* This allocator was derived from x86_64's bit string search */
 
        /* Sanity check */
-       if (unlikely(npages) == 0) {
+       if (unlikely(npages == 0)) {
                if (printk_ratelimit())
                        WARN_ON(1);
                return DMA_ERROR_CODE;