From: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx> commit a472cc0dde3eb057db71c80f102556eeced03805 upstream. The function s5p_aes_probe() does not perform sufficient error checking after executing platform_get_resource(), thus fix it. Fixes: c2afad6c6105 ("crypto: s5p-sss - Add HASH support for Exynos") Cc: <stable@xxxxxxxxxxxxxxx> Signed-off-by: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/crypto/s5p-sss.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -2173,6 +2173,8 @@ static int s5p_aes_probe(struct platform 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