svn commit: r282094 - stable/10/sys/geom/uncompress

[Pedro F. Giffuni]

Author: pfg
Date: Mon Apr 27 14:59:31 2015
New Revision: 282094
URL: https://svnweb.freebsd.org/changeset/base/282094

Log:
  MFC	r281769:
  g_uncompress_taste: prevent a double free.
  
  Found by:	Clang Static Analyzer

Modified:
  stable/10/sys/geom/uncompress/g_uncompress.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/geom/uncompress/g_uncompress.c
==============================================================================
--- stable/10/sys/geom/uncompress/g_uncompress.c	Mon Apr 27 14:18:07 2015	(r282093)
+++ stable/10/sys/geom/uncompress/g_uncompress.c	Mon Apr 27 14:59:31 2015	(r282094)
@@ -571,6 +571,7 @@ g_uncompress_taste(struct g_class *mp, s
 		    (buf+sizeof(struct cloop_header)))[i]);
 	}
 	free(buf, M_GEOM);
+	buf = NULL;
 	DPRINTF(("%s: done reading offsets\n", gp->name));
 	mtx_init(&sc->last_mtx, "geom_uncompress cache", NULL, MTX_DEF);
 	sc->last_blk = -1;