Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 012/323] crypto: s5p-sss - Add error handling in s5p_aes_probe() | Date | Wed, 24 Nov 2021 12:53:22 +0100 |
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From: Tang Bin <tangbin@cmss.chinamobile.com>
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@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> --- drivers/crypto/s5p-sss.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -2166,6 +2166,8 @@ 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
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