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-rw-r--r--drivers/scsi/device_handler/scsi_dh_emc.c7
-rw-r--r--drivers/scsi/device_handler/scsi_dh_hp_sw.c7
-rw-r--r--drivers/scsi/device_handler/scsi_dh_rdac.c7
3 files changed, 18 insertions, 3 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c
index ed53f14007a2..f2467e936e55 100644
--- a/drivers/scsi/device_handler/scsi_dh_emc.c
+++ b/drivers/scsi/device_handler/scsi_dh_emc.c
@@ -416,12 +416,17 @@ static int clariion_bus_notify(struct notifier_block *nb,
unsigned long action, void *data)
{
struct device *dev = data;
- struct scsi_device *sdev = to_scsi_device(dev);
+ struct scsi_device *sdev;
struct scsi_dh_data *scsi_dh_data;
struct clariion_dh_data *h;
int i, found = 0;
unsigned long flags;
+ if (!scsi_is_sdev_device(dev))
+ return 0;
+
+ sdev = to_scsi_device(dev);
+
if (action == BUS_NOTIFY_ADD_DEVICE) {
for (i = 0; clariion_dev_list[i].vendor; i++) {
if (!strncmp(sdev->vendor, clariion_dev_list[i].vendor,
diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
index 12ceab7b3662..ae6be87d6a83 100644
--- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c
+++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
@@ -131,11 +131,16 @@ static int hp_sw_bus_notify(struct notifier_block *nb,
unsigned long action, void *data)
{
struct device *dev = data;
- struct scsi_device *sdev = to_scsi_device(dev);
+ struct scsi_device *sdev;
struct scsi_dh_data *scsi_dh_data;
int i, found = 0;
unsigned long flags;
+ if (!scsi_is_sdev_device(dev))
+ return 0;
+
+ sdev = to_scsi_device(dev);
+
if (action == BUS_NOTIFY_ADD_DEVICE) {
for (i = 0; hp_sw_dh_data_list[i].vendor; i++) {
if (!strncmp(sdev->vendor, hp_sw_dh_data_list[i].vendor,
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 6fff077a888d..fdf34b0ec6e1 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -608,12 +608,17 @@ static int rdac_bus_notify(struct notifier_block *nb,
unsigned long action, void *data)
{
struct device *dev = data;
- struct scsi_device *sdev = to_scsi_device(dev);
+ struct scsi_device *sdev;
struct scsi_dh_data *scsi_dh_data;
struct rdac_dh_data *h;
int i, found = 0;
unsigned long flags;
+ if (!scsi_is_sdev_device(dev))
+ return 0;
+
+ sdev = to_scsi_device(dev);
+
if (action == BUS_NOTIFY_ADD_DEVICE) {
for (i = 0; rdac_dev_list[i].vendor; i++) {
if (!strncmp(sdev->vendor, rdac_dev_list[i].vendor,