linux-kernel - [PATCH] mei: remove dev_err message on an unsupported ioctl

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Message-Id: <20180227162105.14113-1-colin.king@canonical.com>
Date:   Tue, 27 Feb 2018 16:21:05 +0000
From:   Colin King <colin.king@...onical.com>
To:     Tomas Winkler <tomas.winkler@...el.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] mei: remove dev_err message on an unsupported ioctl

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

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

diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 758dc73602d5..7bb013644aeb 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -507,7 +507,6 @@ static long mei_ioctl(struct file *file, unsigned int cmd, unsigned long data)
 		break;
 
 	default:
-		dev_err(dev->dev, ": unsupported ioctl %d.\n", cmd);
 		rets = -ENOIOCTLCMD;
 	}
 
-- 
2.15.1