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Commit c728df70 authored by David Brownell's avatar David Brownell Committed by Greg Kroah-Hartman
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USB: fix USB boot crash, ecm_do_notify(), list_add corruption. prev->next...

USB: fix USB boot crash, ecm_do_notify(), list_add corruption. prev->next should be next (ffff88003b8f82f8)

This fixes a BUG() turned up by Ingo via randconfig testing, where
CONFIG_LIST_DEBUG turned up list corruption.  The corruption was
caused by the dummy_hcd (single-machine test harness for gadget and
HCD code) trashing the request queue when driven by the new CDC
composite gadget an I/O pattern that was previously uncommon.
Fix suggested by Alan Stern.

Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Tested-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 88d987d6
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