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From: Mikolaj Golub <trociny@FreeBSD.org>
Date: Tue, 12 Apr 2011 09:36:38 +0000 (UTC)
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Subject: svn commit: r220562 - stable/7/sys/geom/eli
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Author: trociny
Date: Tue Apr 12 09:36:38 2011
New Revision: 220562
URL: http://svn.freebsd.org/changeset/base/220562

Log:
  MFC r220299:
  
  In g_eli_read_done() and g_eli_write_done(), for a bio with
  bio_children > 1, g_destroy_bio() is never called and the bio
  leaks. Fix this by calling g_destroy_bio() earlier, before the check.
  
  Submitted by:	Victor Balada Diaz <victor@bsdes.net> (initial version)
  
  Tested by:	Oliver Pinter <oliver.pinter@gmail.com>
  Approved by:	kib (co-mentor)

Modified:
  stable/7/sys/geom/eli/g_eli.c
Directory Properties:
  stable/7/sys/   (props changed)
  stable/7/sys/cddl/contrib/opensolaris/   (props changed)
  stable/7/sys/contrib/dev/acpica/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)

Modified: stable/7/sys/geom/eli/g_eli.c
==============================================================================
--- stable/7/sys/geom/eli/g_eli.c	Tue Apr 12 08:54:49 2011	(r220561)
+++ stable/7/sys/geom/eli/g_eli.c	Tue Apr 12 09:36:38 2011	(r220562)
@@ -153,13 +153,13 @@ g_eli_read_done(struct bio *bp)
 	pbp = bp->bio_parent;
 	if (pbp->bio_error == 0)
 		pbp->bio_error = bp->bio_error;
+	g_destroy_bio(bp);
 	/*
 	 * Do we have all sectors already?
 	 */
 	pbp->bio_inbed++;
 	if (pbp->bio_inbed < pbp->bio_children)
 		return;
-	g_destroy_bio(bp);
 	if (pbp->bio_error != 0) {
 		G_ELI_LOGREQ(0, pbp, "%s() failed", __func__);
 		pbp->bio_completed = 0;
@@ -193,6 +193,7 @@ g_eli_write_done(struct bio *bp)
 		if (bp->bio_error != 0)
 			pbp->bio_error = bp->bio_error;
 	}
+	g_destroy_bio(bp);
 	/*
 	 * Do we have all sectors already?
 	 */
@@ -206,7 +207,6 @@ g_eli_write_done(struct bio *bp)
 		    pbp->bio_error);
 		pbp->bio_completed = 0;
 	}
-	g_destroy_bio(bp);
 	/*
 	 * Write is finished, send it up.
 	 */