'scsi_scan_type' is only used in one source file. Hence declare it static. Fixes: a19a93e4c6a9 ("scsi: core: pm: Rely on the device driver core for async power management") Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> --- drivers/scsi/scsi_scan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 2f80509fa036..3520b9384428 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -97,7 +97,7 @@ MODULE_PARM_DESC(max_luns, #define SCSI_SCAN_TYPE_DEFAULT "sync" #endif -char scsi_scan_type[7] = SCSI_SCAN_TYPE_DEFAULT; +static char scsi_scan_type[7] = SCSI_SCAN_TYPE_DEFAULT; module_param_string(scan, scsi_scan_type, sizeof(scsi_scan_type), S_IRUGO|S_IWUSR);