diff --git a/[refs] b/[refs]
index cc425c47052f..322c14486a9b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cad84238056babf4e4e6b0de183238224aab8177
+refs/heads/master: f18f81daba25d29541e46972a7ff4d65162ff167
diff --git a/trunk/drivers/scsi/megaraid/megaraid_mm.c b/trunk/drivers/scsi/megaraid/megaraid_mm.c
index 0ad215e27b83..ac3b280c2a72 100644
--- a/trunk/drivers/scsi/megaraid/megaraid_mm.c
+++ b/trunk/drivers/scsi/megaraid/megaraid_mm.c
@@ -15,6 +15,7 @@
  * Common management module
  */
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 #include "megaraid_mm.h"
 
 
@@ -96,6 +97,7 @@ mraid_mm_open(struct inode *inode, struct file *filep)
 	 */
 	if (!capable(CAP_SYS_ADMIN)) return (-EACCES);
 
+	cycle_kernel_lock();
 	return 0;
 }