diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index c40fbea06cc5..a4bc81479284 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -199,7 +199,7 @@ static bool support_nvme_encapsulation;
 static bool support_pci_lane_margining;
 
 /* define lock for aen poll */
-spinlock_t poll_aen_lock;
+static spinlock_t poll_aen_lock;
 
 extern struct dentry *megasas_debugfs_root;
 extern void megasas_init_debugfs(void);