diff options
| author | Oliver Neukum <oneukum@suse.com> | 2021-03-11 14:01:26 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-07 12:04:22 +0200 |
| commit | 8e422c16d35206b05e9ea970708c6f2aaed5e261 (patch) | |
| tree | 83e610913c361348c7fdbcb5e36f308abb6b2e3c | |
| parent | 6a51b1e5a60a78d516cfee505fb8f2255b3b351c (diff) | |
USB: cdc-acm: downgrade message to debug
commit e4c77070ad45fc940af1d7fb1e637c349e848951 upstream.
This failure is so common that logging an error here amounts
to spamming log files.
Reviewed-by: Bruno Thomsen <bruno.thomsen@gmail.com>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210311130126.15972-2-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index a13b9055a0d3..130153392c2c 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -550,7 +550,8 @@ static void acm_port_dtr_rts(struct tty_port *port, int raise) res = acm_set_control(acm, val); if (res && (acm->ctrl_caps & USB_CDC_CAP_LINE)) - dev_err(&acm->control->dev, "failed to set dtr/rts\n"); + /* This is broken in too many devices to spam the logs */ + dev_dbg(&acm->control->dev, "failed to set dtr/rts\n"); } static int acm_port_activate(struct tty_port *port, struct tty_struct *tty) |