[SCSI] mptsas : Sanity check for phyinfo is added
Check for phyinfo->phy before calling sas_port_delete_phy.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 21bd78e..f744f0f 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -852,7 +852,13 @@
port_details->num_phys--;
port_details->phy_bitmask &= ~ (1 << phy_info->phy_id);
memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
- sas_port_delete_phy(port_details->port, phy_info->phy);
+ if (phy_info->phy) {
+ devtprintk(ioc, dev_printk(KERN_DEBUG,
+ &phy_info->phy->dev, MYIOC_s_FMT
+ "delete phy %d, phy-obj (0x%p)\n", ioc->name,
+ phy_info->phy_id, phy_info->phy));
+ sas_port_delete_phy(port_details->port, phy_info->phy);
+ }
phy_info->port_details = NULL;
}