John Baldwin 4f621933a5 Fix a couple of panics when detaching from a cxgbe/cxl interface that was
never brought up:
- Allow NULL to be passed to sglist_free().
- Don't try to stop an interface that was never fully initialized.

Reviewed by:	np
2015-01-26 16:26:28 +00:00
..
2014-12-31 23:19:16 +00:00
2014-12-31 23:19:16 +00:00
2014-12-31 23:19:16 +00:00
2014-09-09 18:36:00 +00:00
2014-12-31 23:19:16 +00:00