3 files changed, 11 insertions, 7 deletions

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 57bcd5c9dcff..12faf64f91b0 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -534,7 +534,7 @@ _base_display_event_data(struct MPT2SAS_ADAPTER *ioc,
                 if (event_data->DiscoveryStatus)
                         printk("discovery_status(0x%08x)",
                             le32_to_cpu(event_data->DiscoveryStatus));
-                        printk("\n");
+                printk("\n");
                 return;
         }
         case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index b774973f0765..40cb8aeb21b1 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -51,7 +51,7 @@
 #include <linux/types.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 #include <linux/compat.h>
 #include <linux/poll.h>
 
@@ -61,6 +61,7 @@
 #include "mpt2sas_base.h"
 #include "mpt2sas_ctl.h"
 
+static DEFINE_MUTEX(_ctl_mutex);
 static struct fasync_struct *async_queue;
 static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait);
 
@@ -2238,9 +2239,9 @@ _ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
         long ret;
 
-        lock_kernel();
+        mutex_lock(&_ctl_mutex);
         ret = _ctl_ioctl_main(file, cmd, (void __user *)arg);
-        unlock_kernel();
+        mutex_unlock(&_ctl_mutex);
         return ret;
 }
 
@@ -2309,12 +2310,12 @@ _ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg)
 {
         long ret;
 
-        lock_kernel();
+        mutex_lock(&_ctl_mutex);
         if (cmd == MPT2COMMAND32)
                 ret = _ctl_compat_mpt_command(file, cmd, arg);
         else
                 ret = _ctl_ioctl_main(file, cmd, (void __user *)arg);
-        unlock_kernel();
+        mutex_unlock(&_ctl_mutex);
         return ret;
 }
 #endif
@@ -2952,6 +2953,7 @@ static const struct file_operations ctl_fops = {
 #ifdef CONFIG_COMPAT
         .compat_ioctl = _ctl_ioctl_compat,
 #endif
+        .llseek = noop_llseek,
 };
 
 static struct miscdevice ctl_dev = {
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 16e99b686354..1a96a00418a4 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -3315,7 +3315,7 @@ _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
  * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
  */
 static int
-_scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
+_scsih_qcmd_lck(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
 {
         struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
         struct MPT2SAS_DEVICE *sas_device_priv_data;
@@ -3441,6 +3441,8 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
         return SCSI_MLQUEUE_HOST_BUSY;
 }
 
+static DEF_SCSI_QCMD(_scsih_qcmd)
+
 /**
  * _scsih_normalize_sense - normalize descriptor and fixed format sense data
  * @sense_buffer: sense data returned by target