| In file included from drivers/usb/gadget/acm_ms.c:43: | f_mass_storage.c:2199:18: warning: comparison of unsigned expression >= 0 is always true [-Wtautological-compare] | if (common->lun >= 0 && common->lun < common->nluns) | ~~~~~~~~~~~ ^ ~ common->lun is defined as "unsigned int" so its value is always >= 0. It is assigned via cbw->Lun which is defined as u8 so it is also not abused as -1. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> --- drivers/usb/gadget/f_mass_storage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index 5d027b3..a87c1a1 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -2196,7 +2196,7 @@ static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) if (common->data_size == 0) common->data_dir = DATA_DIR_NONE; common->lun = cbw->Lun; - if (common->lun >= 0 && common->lun < common->nluns) + if (common->lun < common->nluns) common->curlun = &common->luns[common->lun]; else common->curlun = NULL; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html