Btrfs: cleanup fs/btrfs/super.c::btrfs_control_ioctl()
authorWang Cong <xiyou.wangcong@gmail.com>
Wed, 21 Jan 2009 15:49:16 +0000 (10:49 -0500)
committerChris Mason <chris.mason@oracle.com>
Wed, 21 Jan 2009 15:49:16 +0000 (10:49 -0500)
- Remove the unused local variable 'len';
- Check return value of kmalloc().

Signed-off-by: Wang Cong <wangcong@zeuux.org>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

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