From c2659479f7865fb538493089bce3dd3d2abf90b0 Mon Sep 17 00:00:00 2001 From: Anish Bhatt Date: Wed, 16 Jul 2014 22:32:39 -0700 Subject: [PATCH] Update setapp/getapp prototypes in dcbnl_rtnl_ops to return int instead of u8 v2: fixed issue with checking return of dcbnl_rtnl_ops->getapp() Signed-off-by: Anish Bhatt Signed-off-by: David S. Miller --- .../net/ethernet/broadcom/bnx2x/bnx2x_dcb.c | 4 ++-- .../net/ethernet/chelsio/cxgb4/cxgb4_dcb.c | 21 ++++++------------- .../net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c | 6 +++--- .../net/ethernet/qlogic/qlcnic/qlcnic_dcb.c | 4 ++-- include/net/dcbnl.h | 4 ++-- net/dcb/dcbnl.c | 8 ++++++- 6 files changed, 22 insertions(+), 25 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c index 51a952c51cb1..fb26bc4c42a1 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c @@ -2303,8 +2303,8 @@ static int bnx2x_set_admin_app_up(struct bnx2x *bp, u8 idtype, u16 idval, u8 up) return 0; } -static u8 bnx2x_dcbnl_set_app_up(struct net_device *netdev, u8 idtype, - u16 idval, u8 up) +static int bnx2x_dcbnl_set_app_up(struct net_device *netdev, u8 idtype, + u16 idval, u8 up) { struct bnx2x *bp = netdev_priv(netdev); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c index a8b1073e6373..0d3a9df5be36 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c @@ -648,26 +648,17 @@ static int __cxgb4_getapp(struct net_device *dev, u8 app_idtype, u16 app_id, } /* Return the Application User Priority Map associated with the specified - * Application ID. Since this routine is prototyped to return "u8" we can't - * return errors ... + * Application ID. */ -static u8 cxgb4_getapp(struct net_device *dev, u8 app_idtype, u16 app_id) +static int cxgb4_getapp(struct net_device *dev, u8 app_idtype, u16 app_id) { - int result = __cxgb4_getapp(dev, app_idtype, app_id, 0); - - if (result < 0) - result = 0; - - return result; + return __cxgb4_getapp(dev, app_idtype, app_id, 0); } -/* Write a new Application User Priority Map for the specified Application ID. - * This routine is prototyped to return "u8" but other instantiations of the - * DCB NetLink Operations "setapp" routines return negative errnos for errors. - * We follow their lead. +/* Write a new Application User Priority Map for the specified Application ID */ -static u8 cxgb4_setapp(struct net_device *dev, u8 app_idtype, u16 app_id, - u8 app_prio) +static int cxgb4_setapp(struct net_device *dev, u8 app_idtype, u16 app_id, + u8 app_prio) { struct fw_port_cmd pcmd; struct port_info *pi = netdev2pinfo(dev); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c index 5172b6b12c09..ea1c1ab926e2 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c @@ -495,10 +495,10 @@ static void ixgbe_dcbnl_setpfcstate(struct net_device *netdev, u8 state) * @id: id is either ether type or TCP/UDP port number * * Returns : on success, returns a non-zero 802.1p user priority bitmap - * otherwise returns 0 as the invalid user priority bitmap to indicate an + * otherwise returns -EINVAL as the invalid user priority bitmap to indicate an * error. */ -static u8 ixgbe_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id) +static int ixgbe_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id) { struct ixgbe_adapter *adapter = netdev_priv(netdev); struct dcb_app app = { @@ -507,7 +507,7 @@ static u8 ixgbe_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id) }; if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) - return 0; + return -EINVAL; return dcb_getapp(netdev, &app); } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c index 561cb11ca58c..a72bcddf160a 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c @@ -926,7 +926,7 @@ static int qlcnic_dcb_get_num_tcs(struct net_device *netdev, int attr, u8 *num) } } -static u8 qlcnic_dcb_get_app(struct net_device *netdev, u8 idtype, u16 id) +static int qlcnic_dcb_get_app(struct net_device *netdev, u8 idtype, u16 id) { struct qlcnic_adapter *adapter = netdev_priv(netdev); struct dcb_app app = { @@ -935,7 +935,7 @@ static u8 qlcnic_dcb_get_app(struct net_device *netdev, u8 idtype, u16 id) }; if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) - return 0; + return -EINVAL; return dcb_getapp(netdev, &app); } diff --git a/include/net/dcbnl.h b/include/net/dcbnl.h index a975edf21b22..597b88a94332 100644 --- a/include/net/dcbnl.h +++ b/include/net/dcbnl.h @@ -81,8 +81,8 @@ struct dcbnl_rtnl_ops { void (*setbcncfg)(struct net_device *, int, u32); void (*getbcnrp)(struct net_device *, int, u8 *); void (*setbcnrp)(struct net_device *, int, u8); - u8 (*setapp)(struct net_device *, u8, u16, u8); - u8 (*getapp)(struct net_device *, u8, u16); + int (*setapp)(struct net_device *, u8, u16, u8); + int (*getapp)(struct net_device *, u8, u16); u8 (*getfeatcfg)(struct net_device *, int, u8 *); u8 (*setfeatcfg)(struct net_device *, int, u8); diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index f8b98d89c285..c34af7a1d2d4 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -471,7 +471,11 @@ static int dcbnl_getapp(struct net_device *netdev, struct nlmsghdr *nlh, id = nla_get_u16(app_tb[DCB_APP_ATTR_ID]); if (netdev->dcbnl_ops->getapp) { - up = netdev->dcbnl_ops->getapp(netdev, idtype, id); + ret = netdev->dcbnl_ops->getapp(netdev, idtype, id); + if (ret < 0) + return ret; + else + up = ret; } else { struct dcb_app app = { .selector = idtype, @@ -538,6 +542,8 @@ static int dcbnl_setapp(struct net_device *netdev, struct nlmsghdr *nlh, if (netdev->dcbnl_ops->setapp) { ret = netdev->dcbnl_ops->setapp(netdev, idtype, id, up); + if (ret < 0) + return ret; } else { struct dcb_app app; app.selector = idtype; -- 2.20.1