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Commit 19d00cc1 authored by Wang Cong's avatar Wang Cong Committed by Chris Mason
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Btrfs: cleanup fs/btrfs/super.c::btrfs_control_ioctl() 



- Remove the unused local variable 'len';
- Check return value of kmalloc().

Signed-off-by: default avatarWang Cong <wangcong@zeuux.org>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent c071fcfd
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