linux-kernel - [PATCH] mm: fix build warning

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Message-ID: <BD79186B4FD85F4B8E60E381CAEE19090120C425@mi8nycmail19.Mi8.com>
Date:	Tue, 10 Feb 2009 18:42:12 -0500
From:	"hartleys" <hartleys@...ionengravers.com>
To:	<linux-kernel@...r.kernel.org>
Subject: [PATCH] mm: fix build  warning

The following patch fixes a build warning in mm/sparse.c

mm/sparse.c: In function '__section_nr':
mm/sparse.c:131: warning: 'root' is used uninitialized in this function

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>

---

diff --git a/mm/sparse.c b/mm/sparse.c
index 083f5b6..467edc1 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -117,7 +117,7 @@ static inline int sparse_index_init(unsigned long
section_nr, int nid)
 int __section_nr(struct mem_section* ms)
 {
 	unsigned long root_nr;
-	struct mem_section* root;
+	struct mem_section* root = NULL;
 
 	for (root_nr = 0; root_nr < NR_SECTION_ROOTS; root_nr++) {
 		root = __nr_to_section(root_nr * SECTIONS_PER_ROOT); 
--
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