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crypto: qat - ratelimit invalid ioctl message and print the invalid cmd

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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@canonical.com>
Acked-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Colin Ian King 2021-06-22 16:16:08 +01:00 committed by Herbert Xu
parent 9f38b678ff
commit cd5c91fe62
1 changed files with 1 additions and 1 deletions
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2
drivers/crypto/qat/qat_common/adf_ctl_drv.c
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@ -406,7 +406,7 @@ static long adf_ctl_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
ret = adf_ctl_ioctl_get_status(fp, cmd, arg); ret = adf_ctl_ioctl_get_status(fp, cmd, arg);
break; break;
default: default:
pr_err("QAT: Invalid ioctl\n"); pr_err_ratelimited("QAT: Invalid ioctl %d\n", cmd);
ret = -EFAULT; ret = -EFAULT;
break; break;
} }