CVS commit: src/sys/dev/usb

["Jonathan A. Kollasch" <jakllsch%netbsd.org@localhost>]

Module Name:    src
Committed By:   jakllsch
Date:           Sat Dec 15 04:09:24 UTC 2012

Modified Files:
        src/sys/dev/usb: ucom.c

Log Message:
Sometimes the device disappears out from under us and device_lookup_private()
will return NULL. Be paranoid about this to prevent NULL pointer dereferences.


To generate a diff of this commit:
cvs rdiff -u -r1.100 -r1.101 src/sys/dev/usb/ucom.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.