linux-kernel - [PATCH] usb: core: log higher level message on malformed LANGID descriptor

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Message-ID: <alpine.DEB.2.11.1409251356120.1920@localhost.localdomain>
Date:	Thu, 25 Sep 2014 13:56:37 +0000 (UTC)
From:	Scot Doyle <lkml14@...tdoyle.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Sarah Sharp <sarah.a.sharp@...ux.intel.com>,
	Dan Williams <dan.j.williams@...el.com>
cc:	Daniel Mack <daniel@...aq.de>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] usb: core: log higher level message on malformed LANGID
 descriptor

Commit 0cce2eda19923e5e5ccc8b042dec5af87b3ffad0
    USB: fix LANGID=0 regression

defaults to a langid of 0x0409 if it's not properly implemented by the
device. Explain with a higher level error message what this means.

Signed-off-by: Scot Doyle <lkml14@...tdoyle.com>
---
 drivers/usb/core/message.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 0c8a7fc..5317081 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -770,9 +770,7 @@ static int usb_get_langid(struct usb_device *dev, unsigned char *tbuf)
 		dev->string_langid = 0x0409;
 		dev->have_langid = 1;
 		dev_err(&dev->dev,
-			"string descriptor 0 malformed (err = %d), "
-			"defaulting to 0x%04x\n",
-				err, dev->string_langid);
+			"language id specifier not provided by device, defaulting to English");
 		return 0;
 	}

-- 
2.1.0

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