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@vger.kernel.org Signed-off-by: Tang Bin tangbin@cmss.chinamobile.com Reviewed-by: Krzysztof Kozlowski krzysztof.kozlowski@canonical.com --- Changes from v2 - add Cc: stable@vger.kernel.org

Changes from v1 - add fixed title --- drivers/crypto/s5p-sss.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index 55aa3a711..7717e9e59 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -2171,6 +2171,8 @@ 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