CVS commit: src/sys/dev/usb

["Michael van Elst" <mlelstv%netbsd.org@localhost>]

Module Name:    src
Committed By:   mlelstv
Date:           Wed Oct 17 17:05:16 UTC 2012

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

Log Message:
Don't rely on TS_BUSY to determine wether there is a buffer
available. Instead handle a possible buffer shortage.
Also aquire lock when modifying t_state.


To generate a diff of this commit:
cvs rdiff -u -r1.99 -r1.100 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.