linux-kernel - [PATCH v2 1/2] iommu/vt-d: convert the return type of first_pte_in

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Date:   Tue, 5 Oct 2021 23:23:07 +0800
From:   "Longpeng(Mike)" <longpeng2@...wei.com>
To:     <baolu.lu@...ux.intel.com>, <dwmw2@...radead.org>,
        <will@...nel.org>, <joro@...tes.org>
CC:     <iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>,
        <arei.gonglei@...wei.com>, "Longpeng(Mike)" <longpeng2@...wei.com>
Subject: [PATCH v2 1/2] iommu/vt-d: convert the return type of first_pte_in_page to bool

first_pte_in_page() returns boolean value, so let's convert its
return type to bool.

Signed-off-by: Longpeng(Mike) <longpeng2@...wei.com>
---
 include/linux/intel-iommu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 05a65eb..a590b00 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -708,7 +708,7 @@ static inline bool dma_pte_superpage(struct dma_pte *pte)
 	return (pte->val & DMA_PTE_LARGE_PAGE);
 }
 
-static inline int first_pte_in_page(struct dma_pte *pte)
+static inline bool first_pte_in_page(struct dma_pte *pte)
 {
 	return !((unsigned long)pte & ~VTD_PAGE_MASK);
 }
-- 
1.8.3.1