svn commit: r338355 - head/sys/dev/cxgbe/tom

[Navdeep Parhar]

Author: np
Date: Tue Aug 28 18:16:02 2018
New Revision: 338355
URL: https://svnweb.freebsd.org/changeset/base/338355

Log:
  cxgbe/tom: Unregister shared CPL handlers on module unload.  This fixes
  a panic with INVARIANTS that occurs when t4_tom is unloaded and reloaded.
  
  Approved by:	re@ (kib@)

Modified:
  head/sys/dev/cxgbe/tom/t4_ddp.c

Modified: head/sys/dev/cxgbe/tom/t4_ddp.c
==============================================================================
--- head/sys/dev/cxgbe/tom/t4_ddp.c	Tue Aug 28 17:14:46 2018	(r338354)
+++ head/sys/dev/cxgbe/tom/t4_ddp.c	Tue Aug 28 18:16:02 2018	(r338355)
@@ -1970,6 +1970,8 @@ t4_ddp_mod_unload(void)
 	taskqueue_drain(taskqueue_thread, &ddp_orphan_task);
 	MPASS(TAILQ_EMPTY(&ddp_orphan_pagesets));
 	mtx_destroy(&ddp_orphan_pagesets_lock);
+	t4_register_shared_cpl_handler(CPL_SET_TCB_RPL, NULL, CPL_COOKIE_DDP0);
+	t4_register_shared_cpl_handler(CPL_SET_TCB_RPL, NULL, CPL_COOKIE_DDP1);
 	t4_register_cpl_handler(CPL_RX_DATA_DDP, NULL);
 	t4_register_cpl_handler(CPL_RX_DDP_COMPLETE, NULL);
 }