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authorHans de Goede <hdegoede@redhat.com>2018-01-14 16:09:00 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-02-03 17:39:19 +0100
commitca7964983ca453dd9902c40171e93a69f21ee3ee (patch)
tree9b44374805fa87e60d51f7f9e3d9aeae939f9699
parentbfc372036b41fec5162c38c18aa824698c33b825 (diff)
USB: cdc-acm: Do not log urb submission errors on disconnect
commit f0386c083c2ce85284dc0b419d7b89c8e567c09f upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-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 18c923a4c16e..b133fc68b3fd 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -438,7 +438,7 @@ 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);