2 files changed, 8 insertions, 6 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 = {