Author: trociny
Date: Sun Apr  3 17:38:12 2011
New Revision: 220299
URL: http://svn.freebsd.org/changeset/base/220299

Log:
  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 <[email protected]> (initial version)
  Approved by:  pjd (mentor)
  MFC after:    1 week

Modified:
  head/sys/geom/eli/g_eli.c

Modified: head/sys/geom/eli/g_eli.c
==============================================================================
--- head/sys/geom/eli/g_eli.c   Sun Apr  3 17:36:32 2011        (r220298)
+++ head/sys/geom/eli/g_eli.c   Sun Apr  3 17:38:12 2011        (r220299)
@@ -161,13 +161,13 @@ 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);
        sc = pbp->bio_to->geom->softc;
        if (pbp->bio_error != 0) {
                G_ELI_LOGREQ(0, pbp, "%s() failed", __func__);
@@ -203,6 +203,7 @@ 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?
         */
@@ -216,7 +217,6 @@ g_eli_write_done(struct bio *bp)
                    pbp->bio_error);
                pbp->bio_completed = 0;
        }
-       g_destroy_bio(bp);
        /*
         * Write is finished, send it up.
         */
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