Messages in this thread | | | From | Jeremiah Mahler <> | Subject | [RESEND PATCH v2 0/2] usb: serial: handle -ENODEV and -EPROTO quietly | Date | Sat, 10 Jan 2015 16:44:31 -0800 |
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(Jan 15) Just a resend of v2 [1].
[1]: https://lkml.org/lkml/2014/12/20/16
If a USB serial device (e.g. /dev/ttyUSB0) with an active program is unplugged, a bunch of -ENODEV and -EPROTO errors will be produced in the logs. This patch set quiets these messages without changing the original behavior.
This change is beneficial when using daemons such as slcand, which is similar to pppd or slip, that cannot determine whether they should exit until after the USB serial device is unplugged. Producing these error messages for a normal use case is not helpful.
Jeremiah Mahler (2): usb: serial: handle -EPROTO quietly in generic_read_bulk usb: serial: handle -ENODEV quietly in generic_submit_read_urb
drivers/usb/serial/generic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
-- 2.1.4
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