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crypto: tegra-aes - fix error-valued pointer dereference
clk_put(dd->aes_clk) will dereference an error-valued pointer since the dd->aes_clk is a ERR_PTR() value. The correct check is call clk_put() if !IS_ERR(dd->aes_clk). dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -1035,7 +1035,7 @@ static int tegra_aes_probe(struct platform_device *pdev)
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if (dd->buf_out)
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dma_free_coherent(dev, AES_HW_DMA_BUFFER_SIZE_BYTES,
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dd->buf_out, dd->dma_buf_out);
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if (IS_ERR(dd->aes_clk))
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if (!IS_ERR(dd->aes_clk))
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clk_put(dd->aes_clk);
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if (aes_wq)
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destroy_workqueue(aes_wq);
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