[SCSI] mptfusion: Proper bus_type check is added

Added proper bus_type check before processing event/ reset handler.

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

3 files changed, 12 insertions, 1 deletions

diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index 33f7256055b..8b3ff2d43fb 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -1358,6 +1358,9 @@ mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
         unsigned long flags;
         int rc=1;
 
+        if (ioc->bus_type != FC)
+                return 0;
+
         devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
                         ioc->name, event));
 
@@ -1396,7 +1399,7 @@ mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
         unsigned long   flags;
 
         rc = mptscsih_ioc_reset(ioc,reset_phase);
-        if (rc == 0)
+        if ((ioc->bus_type != FC) || (!rc))
                 return rc;
 
 
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 674461fb6a3..7f217445cd9 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -4779,6 +4779,9 @@ mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
         struct fw_event_work *fw_event;
         unsigned long delay;
 
+        if (ioc->bus_type != SAS)
+                return 0;
+
         /* events turned off due to host reset or driver unloading */
         if (ioc->fw_events_off)
                 return 0;
diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index e44365193fd..8820591a693 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -1152,6 +1152,9 @@ mptspi_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
         u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
         struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
 
+        if (ioc->bus_type != SPI)
+                return 0;
+
         if (hd && event ==  MPI_EVENT_INTEGRATED_RAID) {
                 int reason
                         = (le32_to_cpu(pEvReply->Data[0]) & 0x00FF0000) >> 16;
@@ -1283,6 +1286,8 @@ mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
         int rc;
 
         rc = mptscsih_ioc_reset(ioc, reset_phase);
+        if ((ioc->bus_type != SPI) || (!rc))
+                return rc;
 
         /* only try to do a renegotiation if we're properly set up
          * if we get an ioc fault on bringup, ioc->sh will be NULL */