[#1449] object/delete: Fix NPE in collectChain
`head.previous` method returns (nil, nil) if object has no previous neighbor. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
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1 changed files with 4 additions and 2 deletions
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@ -153,8 +153,10 @@ func (exec *execCtx) collectChain() bool {
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exec.status = statusOK
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exec.status = statusOK
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exec.err = nil
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exec.err = nil
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withPrev = true
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withPrev = p != nil
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prev = *p
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if withPrev {
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prev = *p
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}
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}
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}
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}
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}
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