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crypto: s5p-sss - Add error handling in s5p_aes_probe()
commita472cc0dde
upstream. The function s5p_aes_probe() does not perform sufficient error checking after executing platform_get_resource(), thus fix it. Fixes:c2afad6c61
("crypto: s5p-sss - Add HASH support for Exynos") Cc: <stable@vger.kernel.org> Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2166,6 +2166,8 @@ static int s5p_aes_probe(struct platform_device *pdev)
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variant = find_s5p_sss_version(pdev);
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (!res)
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return -EINVAL;
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/*
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* Note: HASH and PRNG uses the same registers in secss, avoid
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