Messages in this thread Patch in this message | | | From | Tang Bin <> | Subject | [PATCH v3] crypto: s5p-sss - Add error handling in s5p_aes_probe() | Date | Thu, 21 Oct 2021 09:34:22 +0800 |
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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 -- 2.20.1.windows.1
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