2021-10-20 11:07:05

by Tang Bin

Subject: [PATCH v2] crypto: s5p-sss - Add error handling in s5p_aes_probe()

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")
Signed-off-by: Tang Bin <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
---
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

2021-10-20 11:38:41

by Krzysztof Kozlowski

Subject: Re: [PATCH v2] crypto: s5p-sss - Add error handling in s5p_aes_probe()

On 20/10/2021 13:06, Tang Bin wrote:
> 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")
> Signed-off-by: Tang Bin <[email protected]>
> Reviewed-by: Krzysztof Kozlowski <[email protected]>
> ---
> Changes from v1
> - add fixed title
> ---
> drivers/crypto/s5p-sss.c | 2 ++
> 1 file changed, 2 insertions(+)
>

You still missed the cc-stable tag. I pasted it last time.
Cc: <[email protected]>

Best regards,
Krzysztof

2021-10-20 12:14:34

by Greg Kroah-Hartman

Subject: Re: [PATCH v2] crypto: s5p-sss - Add error handling in s5p_aes_probe()

On Wed, Oct 20, 2021 at 07:06:24PM +0800, Tang Bin wrote:
> 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")
> Signed-off-by: Tang Bin <[email protected]>
> Reviewed-by: Krzysztof Kozlowski <[email protected]>
> ---
> 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
>
>
>

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read:
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>

2021-10-21 01:21:51

by Tang Bin

Subject: Re: [PATCH v2] crypto: s5p-sss - Add error handling ins5p_aes_probe()

Hi, Krzysztof：

On 2021/10/20 19:38, Krzysztof Kozlowski wrote:
> On 20/10/2021 13:06, Tang Bin wrote:
>> 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")
>> Signed-off-by: Tang Bin <[email protected]>
>> Reviewed-by: Krzysztof Kozlowski <[email protected]>
>> ---
>> Changes from v1
>> - add fixed title
>> ---
>> drivers/crypto/s5p-sss.c | 2 ++
>> 1 file changed, 2 insertions(+)
>>
> You still missed the cc-stable tag. I pasted it last time.
> Cc: <[email protected]>

I am deeply sorry for my patch v2，I thought it to cc when use git to
send-email.

I am sorry to waste your precious time. I will correct it immediately.

Thanks

Tang Bin



> Best regards,
> Krzysztof