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iommu/iova: Fix compile error with CONFIG_IOMMU_IOVA=m

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The #ifdef in iova.h only catches the CONFIG_IOMMU_IOVA=y
case, so that compilation as a module fails with duplicate
function definition errors. Fix it by catching both cases in
the #if.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2017-03-23 00:06:17 +01:00
parent 21aff52ab2
commit b4d8c7aea1
1 changed files with 1 additions and 1 deletions
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include/linux/iova.h
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@ -82,7 +82,7 @@ static inline unsigned long iova_pfn(struct iova_domain *iovad, dma_addr_t iova)
return iova >> iova_shift(iovad);
}
#ifdef CONFIG_IOMMU_IOVA
#if IS_ENABLED(CONFIG_IOMMU_IOVA)
int iova_cache_get(void);
void iova_cache_put(void);