The masterspan can be, and often is, called with interrupts disabled but dev_queue_xmit() needs to be called with interrupts enabled. This potentially fixes a deadlock. Signed-off-by: Shaun Ruffell <sruffell@digium.com> git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10562 a0bf4364-ded3-4de4-8d8a-66a801d63aff