linux-kernel - Re: [PATCH] crypto: qat: ratelimit invalid ioctl message and print the invalid cmd

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Message-ID: <20210628033114.GA10694@gondor.apana.org.au>
Date:   Mon, 28 Jun 2021 11:31:14 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Colin King <colin.king@...onical.com>
Cc:     Giovanni Cabiddu <giovanni.cabiddu@...el.com>,
        "David S . Miller" <davem@...emloft.net>,
        Qinglang Miao <miaoqinglang@...wei.com>, qat-linux@...el.com,
        linux-crypto@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: qat: ratelimit invalid ioctl message and print
 the invalid cmd

On Tue, Jun 22, 2021 at 04:16:08PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> Currently incorrect QAT ioctls can spam the kernel log with error messages
> of the form "QAT: Invalid ioctl" if a userspace program uses the wrong
> ioctl command. Quench the messages by ratelimiting them and also print
> the invalid command being used as that is useful to know.
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  drivers/crypto/qat/qat_common/adf_ctl_drv.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt