socsvn commit: r305048 - soc2016/vincenzo/head/sys/dev/netmap

[vincenzo at FreeBSD.org]

Author: vincenzo
Date: Fri Jun 10 13:15:50 2016
New Revision: 305048
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=305048

Log:
   freebsd: ptnet: fix kernel crash due to uninitialized data structure

Modified:
  soc2016/vincenzo/head/sys/dev/netmap/if_ptnet.c

Modified: soc2016/vincenzo/head/sys/dev/netmap/if_ptnet.c
==============================================================================
--- soc2016/vincenzo/head/sys/dev/netmap/if_ptnet.c	Fri Jun 10 13:15:36 2016	(r305047)
+++ soc2016/vincenzo/head/sys/dev/netmap/if_ptnet.c	Fri Jun 10 13:15:50 2016	(r305048)
@@ -344,6 +344,7 @@
 
 	/* Prepare a netmap_adapter struct instance to do netmap_attach(). */
 	nifp_offset = bus_read_4(sc->iomem, PTNET_IO_NIFP_OFS);
+	memset(&na_arg, 0, sizeof(na_arg));
 	na_arg.ifp = ifp;
 	na_arg.num_tx_desc = bus_read_4(sc->iomem, PTNET_IO_NUM_TX_SLOTS);
 	na_arg.num_rx_desc = bus_read_4(sc->iomem, PTNET_IO_NUM_RX_SLOTS);