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Commit 1955e6f3 authored by Tang Bin's avatar Tang Bin Committed by Greg Kroah-Hartman
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crypto: s5p-sss - Add error handling in s5p_aes_probe() 



commit a472cc0dde3eb057db71c80f102556eeced03805 upstream.

The function s5p_aes_probe() does not perform sufficient error
checking after executing platform_get_resource(), thus fix it.

Fixes: c2afad6c ("crypto: s5p-sss - Add HASH support for Exynos")
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarTang Bin <tangbin@cmss.chinamobile.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 68f5f8e2

drivers/crypto/s5p-sss.c

+2 −0
Original line number Diff line number Diff line
@@ -2166,6 +2166,8 @@ static int s5p_aes_probe(struct platform_device *pdev) 


	variant = find_s5p_sss_version(pdev);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	if (!res)

		return -EINVAL;



	/*

	 * Note: HASH and PRNG uses the same registers in secss, avoid