linux-kernel - [PATCH] hugetlb: fix sparse warnings

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Date:	Mon, 24 Nov 2008 21:05:31 +0100
From:	"Hannes Eder" <hannes@...neseder.net>
To:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [PATCH] hugetlb: fix sparse warnings

Impact: fix sparse warnings

Fix the following sparse warnings:

  mm/hugetlb.c:375:3: warning: returning void-valued expression
  mm/hugetlb.c:408:3: warning: returning void-valued expression

Signed-off-by: Hannes Eder <hannes@...neseder.net>
---
 mm/hugetlb.c |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 6058b53..56e1406 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -371,8 +371,10 @@ static void clear_huge_page(struct page *page,
 {
 	int i;

-	if (unlikely(sz > MAX_ORDER_NR_PAGES))
-		return clear_gigantic_page(page, addr, sz);
+	if (unlikely(sz > MAX_ORDER_NR_PAGES)) {
+		clear_gigantic_page(page, addr, sz);
+		return;
+	}

 	might_sleep();
 	for (i = 0; i < sz/PAGE_SIZE; i++) {
@@ -404,8 +406,10 @@ static void copy_huge_page(struct page *dst,
struct page *src,
 	int i;
 	struct hstate *h = hstate_vma(vma);

-	if (unlikely(pages_per_huge_page(h) > MAX_ORDER_NR_PAGES))
-		return copy_gigantic_page(dst, src, addr, vma);
+	if (unlikely(pages_per_huge_page(h) > MAX_ORDER_NR_PAGES)) {
+		copy_gigantic_page(dst, src, addr, vma);
+		return;
+	}

 	might_sleep();
 	for (i = 0; i < pages_per_huge_page(h); i++) {
--
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