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From: Alexander Motin <mav@FreeBSD.org>
Date: Wed, 16 Oct 2013 09:21:41 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r256607 - head/sys/geom
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Author: mav
Date: Wed Oct 16 09:21:40 2013
New Revision: 256607
URL: http://svnweb.freebsd.org/changeset/base/256607

Log:
  MFprojects/camlock r256371:
  Fix passing uninitialized bio_resid argument to g_trace().

Modified:
  head/sys/geom/geom_dev.c

Modified: head/sys/geom/geom_dev.c
==============================================================================
--- head/sys/geom/geom_dev.c	Wed Oct 16 09:18:01 2013	(r256606)
+++ head/sys/geom/geom_dev.c	Wed Oct 16 09:21:40 2013	(r256607)
@@ -485,16 +485,16 @@ g_dev_done(struct bio *bp2)
 	sc = cp->private;
 	bp = bp2->bio_parent;
 	bp->bio_error = bp2->bio_error;
-	if (bp->bio_error != 0) {
+	bp->bio_completed = bp2->bio_completed;
+	bp->bio_resid = bp2->bio_resid;
+	if (bp2->bio_error != 0) {
 		g_trace(G_T_BIO, "g_dev_done(%p) had error %d",
-		    bp2, bp->bio_error);
+		    bp2, bp2->bio_error);
 		bp->bio_flags |= BIO_ERROR;
 	} else {
 		g_trace(G_T_BIO, "g_dev_done(%p/%p) resid %ld completed %jd",
-		    bp2, bp, bp->bio_resid, (intmax_t)bp2->bio_completed);
+		    bp2, bp, bp2->bio_resid, (intmax_t)bp2->bio_completed);
 	}
-	bp->bio_resid = bp->bio_length - bp2->bio_completed;
-	bp->bio_completed = bp2->bio_completed;
 	g_destroy_bio(bp2);
 	destroy = 0;
 	mtx_lock(&sc->sc_mtx);