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| author |   Hans de Goede <hdegoede@redhat.com> | 2018-01-14 16:09:00 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-16 10:01:01 +0100 |
| commit | f0386c083c2ce85284dc0b419d7b89c8e567c09f (patch) | |
| tree | 16f5b9c8975140bb383937254d2344ce7ad92a62 /drivers/usb | |
| parent | usb: xhci-mtk: fix semicolon.cocci warnings (diff) | |
| download | linux-dev-f0386c083c2ce85284dc0b419d7b89c8e567c09f.tar.xz linux-dev-f0386c083c2ce85284dc0b419d7b89c8e567c09f.zip | |
USB: cdc-acm: Do not log urb submission errors on disconnect
When disconnected sometimes the cdc-acm driver logs errors like these:
[20278.039417] cdc_acm 2-2:2.1: urb 9 failed submission with -19
[20278.042924] cdc_acm 2-2:2.1: urb 10 failed submission with -19
[20278.046449] cdc_acm 2-2:2.1: urb 11 failed submission with -19
[20278.049920] cdc_acm 2-2:2.1: urb 12 failed submission with -19
[20278.053442] cdc_acm 2-2:2.1: urb 13 failed submission with -19
[20278.056915] cdc_acm 2-2:2.1: urb 14 failed submission with -19
[20278.060418] cdc_acm 2-2:2.1: urb 15 failed submission with -19
Silence these by not logging errors when the result is -ENODEV.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 8e0636c963a7..6c64ab6e80fa 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -425,7 +425,7 @@ static int acm_submit_read_urb(struct acm *acm, int index, gfp_t mem_flags) res = usb_submit_urb(acm->read_urbs[index], mem_flags); if (res) { - if (res != -EPERM) { + if (res != -EPERM && res != -ENODEV) { dev_err(&acm->data->dev, "urb %d failed submission with %d\n", index, res); |