[SCSI] mptfusion: sanity check for vdevice pointer is added

Added sanity checks before accessing vdevice and added vdevice->deleted
setting for mptfc.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index b966678e4419..90a1dff7eb84 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -2339,6 +2339,8 @@ mptscsih_slave_destroy(struct scsi_device *sdev)
         starget = scsi_target(sdev);
         vtarget = starget->hostdata;
         vdevice = sdev->hostdata;
+        if (!vdevice)
+                return;
 
         mptscsih_search_running_cmds(hd, vdevice);
         vtarget->num_luns--;