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Commit d48e366e authored by Wei Yongjun's avatar Wei Yongjun Committed by Herbert Xu
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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: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 3200da8d

drivers/crypto/tegra-aes.c

+1 −1
Original line number Diff line number Diff line
@@ -1035,7 +1035,7 @@ static int tegra_aes_probe(struct platform_device *pdev) 
	if (dd->buf_out)

		dma_free_coherent(dev, AES_HW_DMA_BUFFER_SIZE_BYTES,

			dd->buf_out, dd->dma_buf_out);

	if (IS_ERR(dd->aes_clk))

	if (!IS_ERR(dd->aes_clk))

		clk_put(dd->aes_clk);

	if (aes_wq)

		destroy_workqueue(aes_wq);