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Message-Id: <20180406084342.741589643@linuxfoundation.org>
Date:   Fri,  6 Apr 2018 15:24:01 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Colin Ian King <colin.king@...onical.com>
Subject: [PATCH 4.9 080/102] mei: remove dev_err message on an unsupported ioctl

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Colin Ian King <colin.king@...onical.com>

commit bb0829a741792b56c908d7745bc0b2b540293bcc upstream.

Currently the driver spams the kernel log on unsupported ioctls which is
unnecessary as the ioctl returns -ENOIOCTLCMD to indicate this anyway.
I suspect this was originally for debugging purposes but it really is not
required so remove it.

Signed-off-by: Colin Ian King <colin.king@...onical.com>
Cc: stable <stable@...r.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/misc/mei/main.c |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -551,7 +551,6 @@ static long mei_ioctl(struct file *file,
 		break;
 
 	default:
-		dev_err(dev->dev, ": unsupported ioctl %d.\n", cmd);
 		rets = -ENOIOCTLCMD;
 	}
 


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