From 96410b95758bde268b864d881f94604df3956c7a Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 25 Jan 2011 14:00:30 +0000
Subject: [PATCH] Bio shall not be accessed after g_io_deliver(9).

Reported and tested by:	pho
Reviewed by:	ae, phk
MFC after:	1 week
---
 sys/dev/md/md.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/md/md.c b/sys/dev/md/md.c
index 835ec1a25c7b..c04f2a753fda 100644
--- a/sys/dev/md/md.c
+++ b/sys/dev/md/md.c
@@ -731,9 +731,9 @@ md_kthread(void *arg)
 
 		if (error != -1) {
 			bp->bio_completed = bp->bio_length;
-			g_io_deliver(bp, error);
 			if ((bp->bio_cmd == BIO_READ) || (bp->bio_cmd == BIO_WRITE))
 				devstat_end_transaction_bio(sc->devstat, bp);
+			g_io_deliver(bp, error);
 		}
 	}
 }