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greybus: es1-ap-usb: handle -EPROTO in check_urb_status()

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On a disconnect we can also have a status of -EPROTO. This results in
a flood of error messages due to the -EAGAIN handling of unsupported
status results. Fix this by also returning status when we have -EPROTO.

Signed-off-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
This commit is contained in:
Matt Porter 2014-10-13 03:00:53 -04:00 committed by Greg Kroah-Hartman
parent 8218605d20
commit 8fd39e3dcb
1 changed files with 1 additions and 0 deletions
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drivers/staging/greybus/es1-ap-usb.c
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@ -257,6 +257,7 @@ static int check_urb_status(struct urb *urb)
case -ENOENT:
case -ESHUTDOWN:
case -EILSEQ:
case -EPROTO:
/* device is gone, stop sending */
return status;
}