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usb: core: log higher level message on malformed LANGID descriptor

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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@scotdoyle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Scot Doyle 2014-09-25 15:16:48 +00:00 committed by Greg Kroah-Hartman
parent 0cfbd328d6
commit 586af07938
1 changed files with 1 additions and 3 deletions
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4
drivers/usb/core/message.c
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@ -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\n");
return 0;
}