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From: Weongyo Jeong <weongyo@FreeBSD.org>
Date: Tue, 24 Mar 2009 04:20:18 +0000 (UTC)
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Subject: svn commit: r190367 - head/sys/dev/if_ndis
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Author: weongyo
Date: Tue Mar 24 04:20:17 2009
New Revision: 190367
URL: http://svn.freebsd.org/changeset/base/190367

Log:
  set NULL after free to avoid duplicate free.
  
  Tested by:	Ganbold <ganbold_at_micom.mng.net>

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

Modified: head/sys/dev/if_ndis/if_ndis.c
==============================================================================
--- head/sys/dev/if_ndis/if_ndis.c	Tue Mar 24 03:08:09 2009	(r190366)
+++ head/sys/dev/if_ndis/if_ndis.c	Tue Mar 24 04:20:17 2009	(r190367)
@@ -3250,8 +3250,10 @@ ndis_stop(sc)
 
 	NDIS_LOCK(sc);
 	for (i = 0; i < NDIS_EVENTS; i++) {
-		if (sc->ndis_evt[i].ne_sts && sc->ndis_evt[i].ne_buf != NULL)
+		if (sc->ndis_evt[i].ne_sts && sc->ndis_evt[i].ne_buf != NULL) {
 			free(sc->ndis_evt[i].ne_buf, M_TEMP);
+			sc->ndis_evt[i].ne_buf = NULL;
+		}
 		sc->ndis_evt[i].ne_sts = 0;
 		sc->ndis_evt[i].ne_len = 0;
 	}