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Message-ID: <20141220125952.GA1424@newt.localdomain> Date: Sat, 20 Dec 2014 04:59:52 -0800 From: Jeremiah Mahler <jmmahler@...il.com> To: Sergei Shtylyov <sergei.shtylyov@...entembedded.com> Cc: Johan Hovold <johan@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org Subject: Re: [PATCH v2 1/2] usb: serial: handle -EPROTO quietly in generic_read_bulk Sergei, On Sat, Dec 20, 2014 at 03:32:42PM +0300, Sergei Shtylyov wrote: > Hello. > > On 12/20/2014 12:11 PM, Jeremiah Mahler wrote: > > >If a USB serial device driver, which is built using the generic serial > >driver, is unplugged while there is an active program using the device, > > Driver is unplugged? :-) > Yes, that doesn't make sense. Good catch, thanks :-) > >it will spam the logs with -EPROTO (71) messages as it attempts to > >retry. > > >Most serial usb drivers (metro-usb, pl2303, mos7840, ...) only output > >these messages for debugging. The generic driver treats these as > >errors. > > >Change the default output for the generic serial driver from error to > >debug. > > >Signed-off-by: Jeremiah Mahler <jmmahler@...il.com> > > [...] > > WBR, Sergei > -- - Jeremiah Mahler -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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