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CVS commit: src/sys/dev/usb

Module Name:    src
Committed By:   tsutsui
Date:           Fri May 27 19:04:24 UTC 2011

Modified Files:
        src/sys/dev/usb: ehci.c ohci.c ohcivar.h uhci.c

Log Message:
Apply patch in PR kern/44907 (crash due to race in ehci.c):
 - make sure to remove abort_task in ehci_freex
 - always initialize abort_task in ehci_allocx,
   not in ehci_timeout just before adding the task
Also apply similar fixes to ohci and uhci.

XXX: should we also call abort_task handler before removing it from queue
     if *hci_freex() is called for usbd_xfer_handle with queued abort_task?

To generate a diff of this commit:
cvs rdiff -u -r1.175 -r1.176 src/sys/dev/usb/ehci.c
cvs rdiff -u -r1.212 -r1.213 src/sys/dev/usb/ohci.c
cvs rdiff -u -r1.49 -r1.50 src/sys/dev/usb/ohcivar.h
cvs rdiff -u -r1.236 -r1.237 src/sys/dev/usb/uhci.c

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

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