Hello Anish Bhatt, The patch 76bcb31efc06: "cxgb4 : Add DCBx support codebase and dcbnl_ops" from Jun 19, 2014, leads to the following static checker warning: drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c:679 cxgb4_setapp() warn: signedness bug returning '(-22)' drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c 669 static u8 cxgb4_setapp(struct net_device *dev, u8 app_idtype, u16 app_id, 670 u8 app_prio) 671 { 672 struct fw_port_cmd pcmd; 673 struct port_info *pi = netdev2pinfo(dev); 674 struct adapter *adap = pi->adapter; 675 int i, err; 676 677 678 if (pi->dcb.state != CXGB4_DCB_STATE_FW_ALLSYNCED) 679 return -EINVAL; ^^^^^^^^^^^^^^ See also: drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c:683 cxgb4_setapp() warn: signedness bug returning '(-67)' drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c:687 cxgb4_setapp() warn: signedness bug returning '(-22)' drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c:713 cxgb4_setapp() warn: signedness bug returning '(-16)' regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html