svn commit: r344643 - head/sys/dev/ixgbe

[Eric Joyner]

Author: erj
Date: Wed Feb 27 22:26:18 2019
New Revision: 344643
URL: https://svnweb.freebsd.org/changeset/base/344643

Log:
  ixgbe(4): Fix panic triggered by assertion from interrupt
  
  r344162 exposed a bug in one of ixgbe's interrupt filters; they are never
  supposed to return 0. Fix the interrupt filter to return the proper nonzero
  return value.
  
  Reported by:	Oleg Ginzburg <olevole at olevole.ru>
  MFC after:	1 week
  Sponsored by:	Intel Corporation

Modified:
  head/sys/dev/ixgbe/if_ix.c

Modified: head/sys/dev/ixgbe/if_ix.c
==============================================================================
--- head/sys/dev/ixgbe/if_ix.c	Wed Feb 27 22:16:59 2019	(r344642)
+++ head/sys/dev/ixgbe/if_ix.c	Wed Feb 27 22:26:18 2019	(r344643)
@@ -2064,7 +2064,7 @@ ixgbe_msix_que(void *arg)
 
 	/* Protect against spurious interrupts */
 	if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
-		return 0;
+		return (FILTER_HANDLED);
 
 	ixgbe_disable_queue(adapter, que->msix);
 	++que->irqs;