Btrfs: adjust NULL test
Move the call to BUG_ON to before the dereference of the tested value. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Move the call to BUG_ON to before the dereference of the tested value. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Chris Mason <chris.mason@oracle.com>