[PATCH] crypto: s5p-sss - Add error handling in s5p_aes_probe()
From: Tang Bin <hidden>
Date: 2021-10-20 10:04:06
Also in:
linux-samsung-soc, lkml
Subsystem:
crypto api, samsung s5p security subsystem (sss) driver, the rest · Maintainers:
Herbert Xu, "David S. Miller", Krzysztof Kozlowski, Vladimir Zapolskiy, Linus Torvalds
The function s5p_aes_probe() does not perform sufficient error checking after executing platform_get_resource(), thus fix it. Signed-off-by: Tang Bin <redacted> --- 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
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2.20.1.windows.1