CVS commit: src/sys/dev/usb

["Nick Hudson" <skrll%netbsd.org@localhost>]

Module Name:    src
Committed By:   skrll
Date:           Fri Aug 30 12:59:19 UTC 2013

Modified Files:
        src/sys/dev/usb: usbdi_util.c utoppy.c

Log Message:
Remove race introduced by using usbd_sync_transfer_sig with a callback
that use the xfer cv (or does wake up on the xfer). The xfer has likely
been freed or re-used.

While here update utoppy(4) to use usbd_sync_transfer_sig.

Fixes PR/48151


To generate a diff of this commit:
cvs rdiff -u -r1.60 -r1.61 src/sys/dev/usb/usbdi_util.c
cvs rdiff -u -r1.21 -r1.22 src/sys/dev/usb/utoppy.c

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