diff --git a/drivers/scsi/bfa/bfad_debugfs.c b/drivers/scsi/bfa/bfad_debugfs.c
index 52db147d9979..f6dd077d47c9 100644
--- a/drivers/scsi/bfa/bfad_debugfs.c
+++ b/drivers/scsi/bfa/bfad_debugfs.c
@@ -250,7 +250,7 @@ bfad_debugfs_write_regrd(struct file *file, const char __user *buf,
 	unsigned long flags;
 	void *kern_buf;
 
-	kern_buf = memdup_user(buf, nbytes);
+	kern_buf = memdup_user_nul(buf, nbytes);
 	if (IS_ERR(kern_buf))
 		return PTR_ERR(kern_buf);
 
@@ -317,7 +317,7 @@ bfad_debugfs_write_regwr(struct file *file, const char __user *buf,
 	unsigned long flags;
 	void *kern_buf;
 
-	kern_buf = memdup_user(buf, nbytes);
+	kern_buf = memdup_user_nul(buf, nbytes);
 	if (IS_ERR(kern_buf))
 		return PTR_ERR(kern_buf);