1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index 7d84c8bbcf3f..fc7ac158476c 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -33,6 +33,7 @@
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
+#include <linux/smp_lock.h>
 #include <linux/uio.h>
 #include <asm/uaccess.h>
 #include <linux/fs.h>
@@ -2863,6 +2864,7 @@ static void megasas_shutdown(struct pci_dev *pdev)
  */
 static int megasas_mgmt_open(struct inode *inode, struct file *filep)
 {
+        cycle_kernel_lock();
         /*
          * Allow only those users with admin rights
          */