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Oliver Neukum |
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From a472cc0dde3eb057db71c80f102556eeced03805 Mon Sep 17 00:00:00 2001
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Oliver Neukum |
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From: Tang Bin <tangbin@cmss.chinamobile.com>
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Oliver Neukum |
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Date: Thu, 21 Oct 2021 09:34:22 +0800
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Oliver Neukum |
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Subject: [PATCH] crypto: s5p-sss - Add error handling in s5p_aes_probe()
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Oliver Neukum |
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Git-commit: a472cc0dde3eb057db71c80f102556eeced03805
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Oliver Neukum |
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References: git-fixes
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Oliver Neukum |
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Patch-mainline: v5.16-rc1
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Oliver Neukum |
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Oliver Neukum |
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The function s5p_aes_probe() does not perform sufficient error
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Oliver Neukum |
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checking after executing platform_get_resource(), thus fix it.
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Oliver Neukum |
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Oliver Neukum |
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Fixes: c2afad6c6105 ("crypto: s5p-sss - Add HASH support for Exynos")
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Cc: <stable@vger.kernel.org>
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Oliver Neukum |
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Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
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Oliver Neukum |
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Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
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Oliver Neukum |
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Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Oliver Neukum |
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Signed-off-by: Oliver Neukum <oneukum@suse.com>
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Oliver Neukum |
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---
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Oliver Neukum |
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drivers/crypto/s5p-sss.c | 3 +++
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Oliver Neukum |
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1 file changed, 3 insertions(+)
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Oliver Neukum |
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Oliver Neukum |
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--- a/drivers/crypto/s5p-sss.c
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Oliver Neukum |
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+++ b/drivers/crypto/s5p-sss.c
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Oliver Neukum |
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@@ -844,6 +844,9 @@ static int s5p_aes_probe(struct platform
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Oliver Neukum |
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return -ENOMEM;
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Oliver Neukum |
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Oliver Neukum |
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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Oliver Neukum |
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+ if (!res)
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Oliver Neukum |
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+ return -EINVAL;
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Oliver Neukum |
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+
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Oliver Neukum |
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pdata->ioaddr = devm_ioremap_resource(&pdev->dev, res);
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Oliver Neukum |
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if (IS_ERR(pdata->ioaddr))
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Oliver Neukum |
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return PTR_ERR(pdata->ioaddr);
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