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authorJeremiah Mahler <jmmahler@gmail.com>2015-01-11 14:42:06 +0100
committerJohan Hovold <johan@kernel.org>2015-01-12 10:23:35 +0100
commitaa8e22128b40590b291cd13512098bf258a7e6c5 (patch)
tree8f77b8b25adadeb68c6dbdaca1dbbf0fc4ff81c4 /drivers/usb/serial
parentUSB: console: fix potential use after free (diff)
downloadlinux-aa8e22128b40590b291cd13512098bf258a7e6c5.tar.xz
linux-aa8e22128b40590b291cd13512098bf258a7e6c5.zip
usb: serial: silence all non-critical read errors
If a USB serial device is unplugged while there is an active program using the device it may 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 to silence these non-critical errors. Signed-off-by: Jeremiah Mahler <jmmahler@gmail.com> Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial')
-rw-r--r--drivers/usb/serial/generic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 1bd192290b08..2d7207b9f6a4 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -373,7 +373,7 @@ void usb_serial_generic_read_bulk_callback(struct urb *urb)
__func__, urb->status);
return;
default:
- dev_err(&port->dev, "%s - nonzero urb status: %d\n",
+ dev_dbg(&port->dev, "%s - nonzero urb status: %d\n",
__func__, urb->status);
goto resubmit;
}