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SubjectRe: [PATCH v2 1/2] usb: serial: handle -EPROTO quietly in generic_read_bulk

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? :-)

> 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 <>


WBR, Sergei

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