Commit cd5c91fe authored by Colin Ian King's avatar Colin Ian King Committed by Herbert Xu
Browse files

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



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: default avatarColin Ian King <colin.king@canonical.com>
Acked-by: default avatarGiovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 9f38b678

drivers/crypto/qat/qat_common/adf_ctl_drv.c

+1 −1
Original line number Diff line number Diff line
@@ -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);

		break;

	default:

		pr_err("QAT: Invalid ioctl\n");

		pr_err_ratelimited("QAT: Invalid ioctl %d\n", cmd);

		ret = -EFAULT;

		break;

	}