summaryrefslogtreecommitdiffstats
path: root/drivers/usb
diff options
context:
space:
mode:
authorHans de Goede <hdegoede@redhat.com>2018-01-14 16:09:00 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-16 10:01:01 +0100
commitf0386c083c2ce85284dc0b419d7b89c8e567c09f (patch)
tree16f5b9c8975140bb383937254d2344ce7ad92a62 /drivers/usb
parentdae06208d3105a307d9e6313515e28dddf91188a (diff)
downloadlinux-f0386c083c2ce85284dc0b419d7b89c8e567c09f.tar.gz
linux-f0386c083c2ce85284dc0b419d7b89c8e567c09f.tar.bz2
linux-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.c2
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);