Set raw_super default to NULL to avoid the possibly used
uninitialized warning, though we may never hit it in fact.

Signed-off-by: Gu Zheng <guz.f...@cn.fujitsu.com>
---
 fs/f2fs/super.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 41d6f70..ed59c8e 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -922,7 +922,7 @@ retry:
 static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 {
        struct f2fs_sb_info *sbi;
-       struct f2fs_super_block *raw_super;
+       struct f2fs_super_block *raw_super = NULL;
        struct buffer_head *raw_super_buf;
        struct inode *root;
        long err = -EINVAL;
-- 
1.7.7


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