mm/sparse: Remove unused ret in sparse_index_init

The ret variable is not used in the function, so remove it and
directly return 0 at the end of the function.

Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 1 insertions, 2 deletions

diff --git a/mm/sparse.c b/mm/sparse.c
index 1c91f0d3f6ab..9ac2f743f723 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -79,7 +79,6 @@ static int __meminit sparse_index_init(unsigned long section_nr, int nid)
 {
         unsigned long root = SECTION_NR_TO_ROOT(section_nr);
         struct mem_section *section;
-        int ret = 0;
 
         if (mem_section[root])
                 return -EEXIST;
@@ -90,7 +89,7 @@ static int __meminit sparse_index_init(unsigned long section_nr, int nid)
 
         mem_section[root] = section;
 
-        return ret;
+        return 0;
 }
 #else /* !SPARSEMEM_EXTREME */
 static inline int sparse_index_init(unsigned long section_nr, int nid)