[PATCH 3.18 26/36] USB: cdc-acm: Do not log urb submission errors on disconnect

3.18-stable review patch. If anyone has any objections, please let me know. -- From: Hans de Goede commit f0386c083c2ce85284dc0b419d7b89c8e567c09f upstream. When disconnected sometimes the cdc-acm driver logs errors like these: [20278.039417] cdc_acm

[PATCH 3.18 26/36] USB: cdc-acm: Do not log urb submission errors on disconnect

3.18-stable review patch. If anyone has any objections, please let me know. -- From: Hans de Goede 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