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-rw-r--r--fs/sysv/super.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/sysv/super.c b/fs/sysv/super.c
index d1def0771a40..3365a30dc1e0 100644
--- a/fs/sysv/super.c
+++ b/fs/sysv/super.c
@@ -312,7 +312,9 @@ static int complete_read_super(struct super_block *sb, int silent, int size)
sbi->s_firstinodezone = 2;
flavour_setup[sbi->s_type](sbi, &sb->s_max_links);
-
+ if (sbi->s_firstdatazone < sbi->s_firstinodezone)
+ return 0;
+
sbi->s_ndatazones = sbi->s_nzones - sbi->s_firstdatazone;
sbi->s_inodes_per_block = bsize >> 6;
sbi->s_inodes_per_block_1 = (bsize >> 6)-1;