svn commit: r253176 - head/sys/dev/ixgbe

[Jack F Vogel]

Author: jfv
Date: Wed Jul 10 23:14:24 2013
New Revision: 253176
URL: http://svnweb.freebsd.org/changeset/base/253176

Log:
  Fix to a panic found internally, bad pointer during rxeof
  processing. Thanks for John Baldwin for catching this. Not
  clearing the flag member of the rxbuf could result in a NULL
  mbuf pointer being used.
  
  MFC after:	2 days (this needs to get into 9.2!)

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

Modified: head/sys/dev/ixgbe/ixgbe.c
==============================================================================
--- head/sys/dev/ixgbe/ixgbe.c	Wed Jul 10 22:45:07 2013	(r253175)
+++ head/sys/dev/ixgbe/ixgbe.c	Wed Jul 10 23:14:24 2013	(r253176)
@@ -3943,6 +3943,7 @@ ixgbe_free_receive_ring(struct rx_ring *
 			rxbuf->buf->m_flags |= M_PKTHDR;
 			m_freem(rxbuf->buf);
 			rxbuf->buf = NULL;
+			rxbuf->flag = 0;
 		}
 	}
 }