diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index e2c509e39765e0b6433b72233b814e2b2fbca856..3a70683cf9f9015a58f9ff712311c009ba5e3943 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -2681,7 +2681,7 @@ resp_read_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
 	return 0;
 }
 
-void dump_sector(unsigned char *buf, int len)
+static void dump_sector(unsigned char *buf, int len)
 {
 	int i, j, n;