[PATCH 01/20] staging/lustre/lov: Move target sysfs symlink removal to object freeing

[green at linuxhacker.ru]

From: Oleg Drokin <green at linuxhacker.ru>

This helps to avoid use after free on unmount.

Signed-off-by: Oleg Drokin <green at linuxhacker.ru>
---
 drivers/staging/lustre/lustre/lov/lov_obd.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/lustre/lustre/lov/lov_obd.c b/drivers/staging/lustre/lustre/lov/lov_obd.c
index 96c55ac..134b663 100644
--- a/drivers/staging/lustre/lustre/lov/lov_obd.c
+++ b/drivers/staging/lustre/lustre/lov/lov_obd.c
@@ -107,6 +107,10 @@ static void lov_putref(struct obd_device *obd)
 			/* Disconnect */
 			__lov_del_obd(obd, tgt);
 		}
+
+		if (lov->lov_tgts_kobj)
+			kobject_put(lov->lov_tgts_kobj);
+
 	} else {
 		mutex_unlock(&lov->lov_lock);
 	}
@@ -322,9 +326,6 @@ static int lov_disconnect(struct obd_export *exp)
 		}
 	}
 
-	if (lov->lov_tgts_kobj)
-		kobject_put(lov->lov_tgts_kobj);
-
 	obd_putref(obd);
 
 out:
-- 
2.1.0