@@ -3206,15 +3206,11 @@ static int amt_newlink(struct net *net, struct net_device *dev,
goto err;
}
- if (data[IFLA_AMT_RELAY_PORT])
- amt->relay_port = nla_get_be16(data[IFLA_AMT_RELAY_PORT]);
- else
- amt->relay_port = htons(IANA_AMT_UDP_PORT);
+ amt->relay_port = nla_get_be16_default(data[IFLA_AMT_RELAY_PORT],
+ htons(IANA_AMT_UDP_PORT));
- if (data[IFLA_AMT_GATEWAY_PORT])
- amt->gw_port = nla_get_be16(data[IFLA_AMT_GATEWAY_PORT]);
- else
- amt->gw_port = htons(IANA_AMT_UDP_PORT);
+ amt->gw_port = nla_get_be16_default(data[IFLA_AMT_GATEWAY_PORT],
+ htons(IANA_AMT_UDP_PORT));
if (!amt->relay_port) {
NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_AMT_DISCOVERY_IP],
@@ -1491,10 +1491,8 @@ static int gtp_newlink(struct net *src_net, struct net_device *dev,
}
gtp->role = role;
- if (!data[IFLA_GTP_RESTART_COUNT])
- gtp->restart_count = 0;
- else
- gtp->restart_count = nla_get_u8(data[IFLA_GTP_RESTART_COUNT]);
+ gtp->restart_count = nla_get_u8_default(data[IFLA_GTP_RESTART_COUNT],
+ 0);
gtp->net = src_net;
@@ -1829,10 +1827,7 @@ static struct pdp_ctx *gtp_pdp_add(struct gtp_dev *gtp, struct sock *sk,
version = nla_get_u32(info->attrs[GTPA_VERSION]);
- if (info->attrs[GTPA_FAMILY])
- family = nla_get_u8(info->attrs[GTPA_FAMILY]);
- else
- family = AF_INET;
+ family = nla_get_u8_default(info->attrs[GTPA_FAMILY], AF_INET);
#if !IS_ENABLED(CONFIG_IPV6)
if (family == AF_INET6)
@@ -2069,10 +2064,7 @@ static struct pdp_ctx *gtp_find_pdp_by_link(struct net *net,
struct gtp_dev *gtp;
int family;
- if (nla[GTPA_FAMILY])
- family = nla_get_u8(nla[GTPA_FAMILY]);
- else
- family = AF_INET;
+ family = nla_get_u8_default(nla[GTPA_FAMILY], AF_INET);
gtp = gtp_find_dev(net, nla);
if (!gtp)
@@ -4299,9 +4299,9 @@ static int macsec_validate_attr(struct nlattr *tb[], struct nlattr *data[],
}
}
- es = data[IFLA_MACSEC_ES] ? nla_get_u8(data[IFLA_MACSEC_ES]) : false;
- sci = data[IFLA_MACSEC_INC_SCI] ? nla_get_u8(data[IFLA_MACSEC_INC_SCI]) : false;
- scb = data[IFLA_MACSEC_SCB] ? nla_get_u8(data[IFLA_MACSEC_SCB]) : false;
+ es = nla_get_u8_default(data[IFLA_MACSEC_ES], false);
+ sci = nla_get_u8_default(data[IFLA_MACSEC_INC_SCI], false);
+ scb = nla_get_u8_default(data[IFLA_MACSEC_SCB], false);
if ((sci && (scb || es)) || (scb && es))
return -EINVAL;
@@ -1232,10 +1232,7 @@ static int vxlan_fdb_parse(struct nlattr *tb[], struct vxlan_dev *vxlan,
*ifindex = 0;
}
- if (tb[NDA_NH_ID])
- *nhid = nla_get_u32(tb[NDA_NH_ID]);
- else
- *nhid = 0;
+ *nhid = nla_get_u32_default(tb[NDA_NH_ID], 0);
return 0;
}
@@ -161,10 +161,8 @@ static int vlan_newlink(struct net *src_net, struct net_device *dev,
return -ENODEV;
}
- if (data[IFLA_VLAN_PROTOCOL])
- proto = nla_get_be16(data[IFLA_VLAN_PROTOCOL]);
- else
- proto = htons(ETH_P_8021Q);
+ proto = nla_get_be16_default(data[IFLA_VLAN_PROTOCOL],
+ htons(ETH_P_8021Q));
vlan->vlan_proto = proto;
vlan->vlan_id = nla_get_u16(data[IFLA_VLAN_ID]);
@@ -558,8 +558,7 @@ static int fib_nl2rule(struct sk_buff *skb, struct nlmsghdr *nlh,
nlrule->pref = fib_default_rule_pref(ops);
}
- nlrule->proto = tb[FRA_PROTOCOL] ?
- nla_get_u8(tb[FRA_PROTOCOL]) : RTPROT_UNSPEC;
+ nlrule->proto = nla_get_u8_default(tb[FRA_PROTOCOL], RTPROT_UNSPEC);
if (tb[FRA_IIFNAME]) {
struct net_device *dev;
@@ -2940,10 +2940,7 @@ static int do_setlink(const struct sk_buff *skb, struct net_device *dev,
const char *pat = ifname[0] ? ifname : NULL;
int new_ifindex;
- if (tb[IFLA_NEW_IFINDEX])
- new_ifindex = nla_get_s32(tb[IFLA_NEW_IFINDEX]);
- else
- new_ifindex = 0;
+ new_ifindex = nla_get_s32_default(tb[IFLA_NEW_IFINDEX], 0);
err = __dev_change_net_namespace(dev, tgt_net, pat, new_ifindex);
if (err)
@@ -531,10 +531,8 @@ int devlink_nl_reload_doit(struct sk_buff *skb, struct genl_info *info)
return err;
}
- if (info->attrs[DEVLINK_ATTR_RELOAD_ACTION])
- action = nla_get_u8(info->attrs[DEVLINK_ATTR_RELOAD_ACTION]);
- else
- action = DEVLINK_RELOAD_ACTION_DRIVER_REINIT;
+ action = nla_get_u8_default(info->attrs[DEVLINK_ATTR_RELOAD_ACTION],
+ DEVLINK_RELOAD_ACTION_DRIVER_REINIT);
if (!devlink_reload_action_is_supported(devlink, action)) {
NL_SET_ERR_MSG(info->extack, "Requested reload action is not supported by the driver");
@@ -82,10 +82,7 @@ static int hsr_newlink(struct net *src_net, struct net_device *dev,
return -EINVAL;
}
- if (!data[IFLA_HSR_MULTICAST_SPEC])
- multicast_spec = 0;
- else
- multicast_spec = nla_get_u8(data[IFLA_HSR_MULTICAST_SPEC]);
+ multicast_spec = nla_get_u8_default(data[IFLA_HSR_MULTICAST_SPEC], 0);
if (data[IFLA_HSR_PROTOCOL])
proto = nla_get_u8(data[IFLA_HSR_PROTOCOL]);
@@ -202,10 +202,7 @@ int ieee802154_associate_req(struct sk_buff *skb, struct genl_info *info)
addr.pan_id = nla_get_shortaddr(
info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
- if (info->attrs[IEEE802154_ATTR_PAGE])
- page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
- else
- page = 0;
+ page = nla_get_u8_default(info->attrs[IEEE802154_ATTR_PAGE], 0);
ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr,
nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]),
@@ -338,10 +335,7 @@ int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info)
blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]);
coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]);
- if (info->attrs[IEEE802154_ATTR_PAGE])
- page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
- else
- page = 0;
+ page = nla_get_u8_default(info->attrs[IEEE802154_ATTR_PAGE], 0);
if (addr.short_addr == cpu_to_le16(IEEE802154_ADDR_BROADCAST)) {
ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS);
@@ -388,10 +382,7 @@ int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info)
channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]);
duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]);
- if (info->attrs[IEEE802154_ATTR_PAGE])
- page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
- else
- page = 0;
+ page = nla_get_u8_default(info->attrs[IEEE802154_ATTR_PAGE], 0);
ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels,
page, duration);
@@ -1438,22 +1438,18 @@ static int nl802154_trigger_scan(struct sk_buff *skb, struct genl_info *info)
}
/* Use current page by default */
- if (info->attrs[NL802154_ATTR_PAGE])
- request->page = nla_get_u8(info->attrs[NL802154_ATTR_PAGE]);
- else
- request->page = wpan_phy->current_page;
+ request->page = nla_get_u8_default(info->attrs[NL802154_ATTR_PAGE],
+ wpan_phy->current_page);
/* Scan all supported channels by default */
- if (info->attrs[NL802154_ATTR_SCAN_CHANNELS])
- request->channels = nla_get_u32(info->attrs[NL802154_ATTR_SCAN_CHANNELS]);
- else
- request->channels = wpan_phy->supported.channels[request->page];
+ request->channels =
+ nla_get_u32_default(info->attrs[NL802154_ATTR_SCAN_CHANNELS],
+ wpan_phy->supported.channels[request->page]);
/* Use maximum duration order by default */
- if (info->attrs[NL802154_ATTR_SCAN_DURATION])
- request->duration = nla_get_u8(info->attrs[NL802154_ATTR_SCAN_DURATION]);
- else
- request->duration = IEEE802154_MAX_SCAN_DURATION;
+ request->duration =
+ nla_get_u8_default(info->attrs[NL802154_ATTR_SCAN_DURATION],
+ IEEE802154_MAX_SCAN_DURATION);
err = rdev_trigger_scan(rdev, request);
if (err) {
@@ -1598,10 +1594,8 @@ nl802154_send_beacons(struct sk_buff *skb, struct genl_info *info)
request->wpan_phy = wpan_phy;
/* Use maximum duration order by default */
- if (info->attrs[NL802154_ATTR_BEACON_INTERVAL])
- request->interval = nla_get_u8(info->attrs[NL802154_ATTR_BEACON_INTERVAL]);
- else
- request->interval = IEEE802154_MAX_SCAN_DURATION;
+ request->interval = nla_get_u8_default(info->attrs[NL802154_ATTR_BEACON_INTERVAL],
+ IEEE802154_MAX_SCAN_DURATION);
err = rdev_send_beacons(rdev, request);
if (err) {
@@ -926,8 +926,7 @@ static struct in_ifaddr *inet_rtm_to_ifa(struct net *net, struct nlmsghdr *nlh,
ifa->ifa_prefixlen = ifm->ifa_prefixlen;
ifa->ifa_mask = inet_make_mask(ifm->ifa_prefixlen);
- ifa->ifa_flags = tb[IFA_FLAGS] ? nla_get_u32(tb[IFA_FLAGS]) :
- ifm->ifa_flags;
+ ifa->ifa_flags = nla_get_u32_default(tb[IFA_FLAGS], ifm->ifa_flags);
ifa->ifa_scope = ifm->ifa_scope;
ifa->ifa_local = nla_get_in_addr(tb[IFA_LOCAL]);
ifa->ifa_address = nla_get_in_addr(tb[IFA_ADDRESS]);
@@ -2546,9 +2546,9 @@ static int ipmr_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
if (err < 0)
goto errout;
- src = tb[RTA_SRC] ? nla_get_in_addr(tb[RTA_SRC]) : 0;
- grp = tb[RTA_DST] ? nla_get_in_addr(tb[RTA_DST]) : 0;
- tableid = tb[RTA_TABLE] ? nla_get_u32(tb[RTA_TABLE]) : 0;
+ src = nla_get_in_addr_default(tb[RTA_SRC], 0);
+ grp = nla_get_in_addr_default(tb[RTA_DST], 0);
+ tableid = nla_get_u32_default(tb[RTA_TABLE], 0);
mrt = ipmr_get_table(net, tableid ? tableid : RT_TABLE_DEFAULT);
if (!mrt) {
@@ -3247,12 +3247,8 @@ static int nh_valid_get_del_req(const struct nlmsghdr *nlh,
return -EINVAL;
}
- if (op_flags) {
- if (tb[NHA_OP_FLAGS])
- *op_flags = nla_get_u32(tb[NHA_OP_FLAGS]);
- else
- *op_flags = 0;
- }
+ if (op_flags)
+ *op_flags = nla_get_u32_default(tb[NHA_OP_FLAGS], 0);
return 0;
}
@@ -3433,10 +3429,7 @@ static int nh_valid_dump_req(const struct nlmsghdr *nlh,
if (err < 0)
return err;
- if (tb[NHA_OP_FLAGS])
- filter->op_flags = nla_get_u32(tb[NHA_OP_FLAGS]);
- else
- filter->op_flags = 0;
+ filter->op_flags = nla_get_u32_default(tb[NHA_OP_FLAGS], 0);
return __nh_valid_dump_req(nlh, tb, filter, cb->extack);
}
@@ -3231,10 +3231,10 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
return err;
rtm = nlmsg_data(nlh);
- src = tb[RTA_SRC] ? nla_get_in_addr(tb[RTA_SRC]) : 0;
- dst = tb[RTA_DST] ? nla_get_in_addr(tb[RTA_DST]) : 0;
- iif = tb[RTA_IIF] ? nla_get_u32(tb[RTA_IIF]) : 0;
- mark = tb[RTA_MARK] ? nla_get_u32(tb[RTA_MARK]) : 0;
+ src = nla_get_in_addr_default(tb[RTA_SRC], 0);
+ dst = nla_get_in_addr_default(tb[RTA_DST], 0);
+ iif = nla_get_u32_default(tb[RTA_IIF], 0);
+ mark = nla_get_u32_default(tb[RTA_MARK], 0);
if (tb[RTA_UID])
uid = make_kuid(current_user_ns(), nla_get_u32(tb[RTA_UID]));
else
@@ -3260,7 +3260,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
fl4.daddr = dst;
fl4.saddr = src;
fl4.flowi4_tos = rtm->rtm_tos & INET_DSCP_MASK;
- fl4.flowi4_oif = tb[RTA_OIF] ? nla_get_u32(tb[RTA_OIF]) : 0;
+ fl4.flowi4_oif = nla_get_u32_default(tb[RTA_OIF], 0);
fl4.flowi4_mark = mark;
fl4.flowi4_uid = uid;
if (sport)
@@ -4793,7 +4793,7 @@ inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh,
if (!pfx)
return -EINVAL;
- ifa_flags = tb[IFA_FLAGS] ? nla_get_u32(tb[IFA_FLAGS]) : ifm->ifa_flags;
+ ifa_flags = nla_get_u32_default(tb[IFA_FLAGS], ifm->ifa_flags);
/* We ignore other flags so far. */
ifa_flags &= IFA_F_MANAGETEMPADDR;
@@ -5018,10 +5018,7 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh,
return -ENODEV;
}
- if (tb[IFA_FLAGS])
- cfg.ifa_flags = nla_get_u32(tb[IFA_FLAGS]);
- else
- cfg.ifa_flags = ifm->ifa_flags;
+ cfg.ifa_flags = nla_get_u32_default(tb[IFA_FLAGS], ifm->ifa_flags);
/* We ignore other flags so far. */
cfg.ifa_flags &= IFA_F_NODAD | IFA_F_HOMEADDRESS |
@@ -105,16 +105,11 @@ static int parse_nl_config(struct genl_info *info,
xp->ip.locator_match.v64 = (__force __be64)nla_get_u64(
info->attrs[ILA_ATTR_LOCATOR_MATCH]);
- if (info->attrs[ILA_ATTR_CSUM_MODE])
- xp->ip.csum_mode = nla_get_u8(info->attrs[ILA_ATTR_CSUM_MODE]);
- else
- xp->ip.csum_mode = ILA_CSUM_NO_ACTION;
+ xp->ip.csum_mode = nla_get_u8_default(info->attrs[ILA_ATTR_CSUM_MODE],
+ ILA_CSUM_NO_ACTION);
- if (info->attrs[ILA_ATTR_IDENT_TYPE])
- xp->ip.ident_type = nla_get_u8(
- info->attrs[ILA_ATTR_IDENT_TYPE]);
- else
- xp->ip.ident_type = ILA_ATYPE_USE_FORMAT;
+ xp->ip.ident_type = nla_get_u8_default(info->attrs[ILA_ATTR_IDENT_TYPE],
+ ILA_ATYPE_USE_FORMAT);
if (info->attrs[ILA_ATTR_IFINDEX])
xp->ifindex = nla_get_s32(info->attrs[ILA_ATTR_IFINDEX]);
@@ -135,15 +135,11 @@ static int ioam6_genl_addns(struct sk_buff *skb, struct genl_info *info)
ns->id = id;
- if (!info->attrs[IOAM6_ATTR_NS_DATA])
- data32 = IOAM6_U32_UNAVAILABLE;
- else
- data32 = nla_get_u32(info->attrs[IOAM6_ATTR_NS_DATA]);
+ data32 = nla_get_u32_default(info->attrs[IOAM6_ATTR_NS_DATA],
+ IOAM6_U32_UNAVAILABLE);
- if (!info->attrs[IOAM6_ATTR_NS_DATA_WIDE])
- data64 = IOAM6_U64_UNAVAILABLE;
- else
- data64 = nla_get_u64(info->attrs[IOAM6_ATTR_NS_DATA_WIDE]);
+ data64 = nla_get_u64_default(info->attrs[IOAM6_ATTR_NS_DATA_WIDE],
+ IOAM6_U64_UNAVAILABLE);
ns->data = cpu_to_be32(data32);
ns->data_wide = cpu_to_be64(data64);
@@ -142,10 +142,8 @@ static int ioam6_build_state(struct net *net, struct nlattr *nla,
}
}
- if (!tb[IOAM6_IPTUNNEL_MODE])
- mode = IOAM6_IPTUNNEL_MODE_INLINE;
- else
- mode = nla_get_u8(tb[IOAM6_IPTUNNEL_MODE]);
+ mode = nla_get_u8_default(tb[IOAM6_IPTUNNEL_MODE],
+ IOAM6_IPTUNNEL_MODE_INLINE);
if (tb[IOAM6_IPTUNNEL_SRC] && mode == IOAM6_IPTUNNEL_MODE_INLINE) {
NL_SET_ERR_MSG(extack, "no tunnel src expected with this mode");
@@ -2560,7 +2560,7 @@ static int ip6mr_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
src = nla_get_in6_addr(tb[RTA_SRC]);
if (tb[RTA_DST])
grp = nla_get_in6_addr(tb[RTA_DST]);
- tableid = tb[RTA_TABLE] ? nla_get_u32(tb[RTA_TABLE]) : 0;
+ tableid = nla_get_u32_default(tb[RTA_TABLE], 0);
mrt = ip6mr_get_table(net, tableid ?: RT_TABLE_DEFAULT);
if (!mrt) {
@@ -3662,10 +3662,7 @@ static int ip_vs_genl_parse_dest(struct ip_vs_dest_user_kern *udest,
nla_memcpy(&udest->addr, nla_addr, sizeof(udest->addr));
udest->port = nla_get_be16(nla_port);
- if (nla_addr_family)
- udest->af = nla_get_u16(nla_addr_family);
- else
- udest->af = 0;
+ udest->af = nla_get_u16_default(nla_addr_family, 0);
/* If a full entry was requested, check for the additional fields */
if (full_entry) {
@@ -1090,10 +1090,8 @@ static int nf_nat_ipv4_nlattr_to_range(struct nlattr *tb[],
range->flags |= NF_NAT_RANGE_MAP_IPS;
}
- if (tb[CTA_NAT_V4_MAXIP])
- range->max_addr.ip = nla_get_be32(tb[CTA_NAT_V4_MAXIP]);
- else
- range->max_addr.ip = range->min_addr.ip;
+ range->max_addr.ip = nla_get_be32_default(tb[CTA_NAT_V4_MAXIP],
+ range->min_addr.ip);
return 0;
}
@@ -497,10 +497,7 @@ static int nft_tunnel_obj_init(const struct nft_ctx *ctx,
}
if (tb[NFTA_TUNNEL_KEY_TOS])
info.key.tos = nla_get_u8(tb[NFTA_TUNNEL_KEY_TOS]);
- if (tb[NFTA_TUNNEL_KEY_TTL])
- info.key.ttl = nla_get_u8(tb[NFTA_TUNNEL_KEY_TTL]);
- else
- info.key.ttl = U8_MAX;
+ info.key.ttl = nla_get_u8_default(tb[NFTA_TUNNEL_KEY_TTL], U8_MAX);
if (tb[NFTA_TUNNEL_KEY_OPTS]) {
err = nft_tunnel_obj_opts_init(ctx, tb[NFTA_TUNNEL_KEY_OPTS],
@@ -107,11 +107,9 @@ static int netlbl_mgmt_add_common(struct genl_info *info,
switch (entry->def.type) {
case NETLBL_NLTYPE_UNLABELED:
- if (info->attrs[NLBL_MGMT_A_FAMILY])
- entry->family =
- nla_get_u16(info->attrs[NLBL_MGMT_A_FAMILY]);
- else
- entry->family = AF_UNSPEC;
+ entry->family =
+ nla_get_u16_default(info->attrs[NLBL_MGMT_A_FAMILY],
+ AF_UNSPEC);
break;
case NETLBL_NLTYPE_CIPSOV4:
if (!info->attrs[NLBL_MGMT_A_CV4DOI])
@@ -601,10 +599,7 @@ static int netlbl_mgmt_listdef(struct sk_buff *skb, struct genl_info *info)
struct netlbl_dom_map *entry;
u16 family;
- if (info->attrs[NLBL_MGMT_A_FAMILY])
- family = nla_get_u16(info->attrs[NLBL_MGMT_A_FAMILY]);
- else
- family = AF_INET;
+ family = nla_get_u16_default(info->attrs[NLBL_MGMT_A_FAMILY], AF_INET);
ans_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (ans_skb == NULL)
@@ -1828,8 +1828,7 @@ static int ovs_dp_cmd_new(struct sk_buff *skb, struct genl_info *info)
parms.dp = dp;
parms.port_no = OVSP_LOCAL;
parms.upcall_portids = a[OVS_DP_ATTR_UPCALL_PID];
- parms.desired_ifindex = a[OVS_DP_ATTR_IFINDEX]
- ? nla_get_s32(a[OVS_DP_ATTR_IFINDEX]) : 0;
+ parms.desired_ifindex = nla_get_s32_default(a[OVS_DP_ATTR_IFINDEX], 0);
/* So far only local changes have been made, now need the lock. */
ovs_lock();
@@ -2266,8 +2265,7 @@ static int ovs_vport_cmd_new(struct sk_buff *skb, struct genl_info *info)
if (a[OVS_VPORT_ATTR_IFINDEX] && parms.type != OVS_VPORT_TYPE_INTERNAL)
return -EOPNOTSUPP;
- port_no = a[OVS_VPORT_ATTR_PORT_NO]
- ? nla_get_u32(a[OVS_VPORT_ATTR_PORT_NO]) : 0;
+ port_no = nla_get_u32_default(a[OVS_VPORT_ATTR_PORT_NO], 0);
if (port_no >= DP_MAX_PORTS)
return -EFBIG;
@@ -2304,8 +2302,8 @@ static int ovs_vport_cmd_new(struct sk_buff *skb, struct genl_info *info)
parms.dp = dp;
parms.port_no = port_no;
parms.upcall_portids = a[OVS_VPORT_ATTR_UPCALL_PID];
- parms.desired_ifindex = a[OVS_VPORT_ATTR_IFINDEX]
- ? nla_get_s32(a[OVS_VPORT_ATTR_IFINDEX]) : 0;
+ parms.desired_ifindex = nla_get_s32_default(a[OVS_VPORT_ATTR_IFINDEX],
+ 0);
vport = new_vport(&parms);
err = PTR_ERR(vport);
@@ -1938,7 +1938,7 @@ int ovs_nla_get_identifier(struct sw_flow_id *sfid, const struct nlattr *ufid,
u32 ovs_nla_get_ufid_flags(const struct nlattr *attr)
{
- return attr ? nla_get_u32(attr) : 0;
+ return nla_get_u32_default(attr, 0);
}
/**
@@ -1183,9 +1183,8 @@ static int tcf_ct_fill_params_nat(struct tcf_ct_params *p,
range->min_addr.ip =
nla_get_in_addr(tb[TCA_CT_NAT_IPV4_MIN]);
- range->max_addr.ip = max_attr ?
- nla_get_in_addr(max_attr) :
- range->min_addr.ip;
+ range->max_addr.ip =
+ nla_get_in_addr_default(max_attr, range->min_addr.ip);
} else if (tb[TCA_CT_NAT_IPV6_MIN]) {
struct nlattr *max_attr = tb[TCA_CT_NAT_IPV6_MAX];
@@ -1314,8 +1313,9 @@ static int tcf_ct_fill_params(struct net *net,
err = -EINVAL;
goto err;
}
- family = tb[TCA_CT_HELPER_FAMILY] ? nla_get_u8(tb[TCA_CT_HELPER_FAMILY]) : AF_INET;
- proto = tb[TCA_CT_HELPER_PROTO] ? nla_get_u8(tb[TCA_CT_HELPER_PROTO]) : IPPROTO_TCP;
+ family = nla_get_u8_default(tb[TCA_CT_HELPER_FAMILY], AF_INET);
+ proto = nla_get_u8_default(tb[TCA_CT_HELPER_PROTO],
+ IPPROTO_TCP);
err = nf_ct_add_helper(tmpl, name, family, proto,
p->ct_action & TCA_CT_ACT_NAT, &p->helper);
if (err) {
@@ -197,8 +197,9 @@ static int tcf_ctinfo_init(struct net *net, struct nlattr *nla,
"dscp mask must be 6 contiguous bits");
return -EINVAL;
}
- dscpstatemask = tb[TCA_CTINFO_PARMS_DSCP_STATEMASK] ?
- nla_get_u32(tb[TCA_CTINFO_PARMS_DSCP_STATEMASK]) : 0;
+ dscpstatemask =
+ nla_get_u32_default(tb[TCA_CTINFO_PARMS_DSCP_STATEMASK],
+ 0);
/* mask & statemask must not overlap */
if (dscpmask & dscpstatemask) {
NL_SET_ERR_MSG_ATTR(extack,
@@ -243,8 +244,7 @@ static int tcf_ctinfo_init(struct net *net, struct nlattr *nla,
}
cp_new->net = net;
- cp_new->zone = tb[TCA_CTINFO_ZONE] ?
- nla_get_u16(tb[TCA_CTINFO_ZONE]) : 0;
+ cp_new->zone = nla_get_u16_default(tb[TCA_CTINFO_ZONE], 0);
if (dscpmask) {
cp_new->dscpmask = dscpmask;
cp_new->dscpmaskshift = dscpmaskshift;
@@ -190,15 +190,10 @@ static int fill_gate_entry(struct nlattr **tb, struct tcfg_gate_entry *entry,
entry->interval = interval;
- if (tb[TCA_GATE_ENTRY_IPV])
- entry->ipv = nla_get_s32(tb[TCA_GATE_ENTRY_IPV]);
- else
- entry->ipv = -1;
+ entry->ipv = nla_get_s32_default(tb[TCA_GATE_ENTRY_IPV], -1);
- if (tb[TCA_GATE_ENTRY_MAX_OCTETS])
- entry->maxoctets = nla_get_s32(tb[TCA_GATE_ENTRY_MAX_OCTETS]);
- else
- entry->maxoctets = -1;
+ entry->maxoctets = nla_get_s32_default(tb[TCA_GATE_ENTRY_MAX_OCTETS],
+ -1);
return 0;
}
@@ -288,16 +288,14 @@ static int tcf_mpls_init(struct net *net, struct nlattr *nla,
}
p->tcfm_action = parm->m_action;
- p->tcfm_label = tb[TCA_MPLS_LABEL] ? nla_get_u32(tb[TCA_MPLS_LABEL]) :
- ACT_MPLS_LABEL_NOT_SET;
- p->tcfm_tc = tb[TCA_MPLS_TC] ? nla_get_u8(tb[TCA_MPLS_TC]) :
- ACT_MPLS_TC_NOT_SET;
- p->tcfm_ttl = tb[TCA_MPLS_TTL] ? nla_get_u8(tb[TCA_MPLS_TTL]) :
- mpls_ttl;
- p->tcfm_bos = tb[TCA_MPLS_BOS] ? nla_get_u8(tb[TCA_MPLS_BOS]) :
- ACT_MPLS_BOS_NOT_SET;
- p->tcfm_proto = tb[TCA_MPLS_PROTO] ? nla_get_be16(tb[TCA_MPLS_PROTO]) :
- htons(ETH_P_MPLS_UC);
+ p->tcfm_label = nla_get_u32_default(tb[TCA_MPLS_LABEL],
+ ACT_MPLS_LABEL_NOT_SET);
+ p->tcfm_tc = nla_get_u8_default(tb[TCA_MPLS_TC], ACT_MPLS_TC_NOT_SET);
+ p->tcfm_ttl = nla_get_u8_default(tb[TCA_MPLS_TTL], mpls_ttl);
+ p->tcfm_bos = nla_get_u8_default(tb[TCA_MPLS_BOS],
+ ACT_MPLS_BOS_NOT_SET);
+ p->tcfm_proto = nla_get_be16_default(tb[TCA_MPLS_PROTO],
+ htons(ETH_P_MPLS_UC));
spin_lock_bh(&m->tcf_lock);
goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch);
@@ -167,8 +167,7 @@ static int tcf_police_init(struct net *net, struct nlattr *nla,
}
if (R_tab) {
new->rate_present = true;
- rate64 = tb[TCA_POLICE_RATE64] ?
- nla_get_u64(tb[TCA_POLICE_RATE64]) : 0;
+ rate64 = nla_get_u64_default(tb[TCA_POLICE_RATE64], 0);
psched_ratecfg_precompute(&new->rate, &R_tab->rate, rate64);
qdisc_put_rtab(R_tab);
} else {
@@ -176,8 +175,7 @@ static int tcf_police_init(struct net *net, struct nlattr *nla,
}
if (P_tab) {
new->peak_present = true;
- prate64 = tb[TCA_POLICE_PEAKRATE64] ?
- nla_get_u64(tb[TCA_POLICE_PEAKRATE64]) : 0;
+ prate64 = nla_get_u64_default(tb[TCA_POLICE_PEAKRATE64], 0);
psched_ratecfg_precompute(&new->peak, &P_tab->rate, prate64);
qdisc_put_rtab(P_tab);
} else {
@@ -2297,7 +2297,7 @@ static int tc_new_tfilter(struct sk_buff *skb, struct nlmsghdr *n,
}
block->classid = parent;
- chain_index = tca[TCA_CHAIN] ? nla_get_u32(tca[TCA_CHAIN]) : 0;
+ chain_index = nla_get_u32_default(tca[TCA_CHAIN], 0);
if (chain_index > TC_ACT_EXT_VAL_MASK) {
NL_SET_ERR_MSG(extack, "Specified chain index exceeds upper limit");
err = -EINVAL;
@@ -2509,7 +2509,7 @@ static int tc_del_tfilter(struct sk_buff *skb, struct nlmsghdr *n,
goto errout;
}
- chain_index = tca[TCA_CHAIN] ? nla_get_u32(tca[TCA_CHAIN]) : 0;
+ chain_index = nla_get_u32_default(tca[TCA_CHAIN], 0);
if (chain_index > TC_ACT_EXT_VAL_MASK) {
NL_SET_ERR_MSG(extack, "Specified chain index exceeds upper limit");
err = -EINVAL;
@@ -2664,7 +2664,7 @@ static int tc_get_tfilter(struct sk_buff *skb, struct nlmsghdr *n,
goto errout;
}
- chain_index = tca[TCA_CHAIN] ? nla_get_u32(tca[TCA_CHAIN]) : 0;
+ chain_index = nla_get_u32_default(tca[TCA_CHAIN], 0);
if (chain_index > TC_ACT_EXT_VAL_MASK) {
NL_SET_ERR_MSG(extack, "Specified chain index exceeds upper limit");
err = -EINVAL;
@@ -3104,7 +3104,7 @@ static int tc_ctl_chain(struct sk_buff *skb, struct nlmsghdr *n,
if (IS_ERR(block))
return PTR_ERR(block);
- chain_index = tca[TCA_CHAIN] ? nla_get_u32(tca[TCA_CHAIN]) : 0;
+ chain_index = nla_get_u32_default(tca[TCA_CHAIN], 0);
if (chain_index > TC_ACT_EXT_VAL_MASK) {
NL_SET_ERR_MSG(extack, "Specified chain index exceeds upper limit");
err = -EINVAL;
@@ -356,7 +356,7 @@ static int choke_change(struct Qdisc *sch, struct nlattr *opt,
tb[TCA_CHOKE_STAB] == NULL)
return -EINVAL;
- max_P = tb[TCA_CHOKE_MAX_P] ? nla_get_u32(tb[TCA_CHOKE_MAX_P]) : 0;
+ max_P = nla_get_u32_default(tb[TCA_CHOKE_MAX_P], 0);
ctl = nla_data(tb[TCA_CHOKE_PARMS]);
stab = nla_data(tb[TCA_CHOKE_STAB]);
@@ -668,7 +668,7 @@ static int gred_change(struct Qdisc *sch, struct nlattr *opt,
return -EINVAL;
}
- max_P = tb[TCA_GRED_MAX_P] ? nla_get_u32(tb[TCA_GRED_MAX_P]) : 0;
+ max_P = nla_get_u32_default(tb[TCA_GRED_MAX_P], 0);
ctl = nla_data(tb[TCA_GRED_PARMS]);
stab = nla_data(tb[TCA_GRED_STAB]);
@@ -1810,8 +1810,8 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
qdisc_put_rtab(qdisc_get_rtab(&hopt->ceil, tb[TCA_HTB_CTAB],
NULL));
- rate64 = tb[TCA_HTB_RATE64] ? nla_get_u64(tb[TCA_HTB_RATE64]) : 0;
- ceil64 = tb[TCA_HTB_CEIL64] ? nla_get_u64(tb[TCA_HTB_CEIL64]) : 0;
+ rate64 = nla_get_u64_default(tb[TCA_HTB_RATE64], 0);
+ ceil64 = nla_get_u64_default(tb[TCA_HTB_CEIL64], 0);
if (!cl) { /* new class */
struct net_device *dev = qdisc_dev(sch);
@@ -421,10 +421,7 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
if (err < 0)
return err;
- if (tb[TCA_QFQ_WEIGHT])
- weight = nla_get_u32(tb[TCA_QFQ_WEIGHT]);
- else
- weight = 1;
+ weight = nla_get_u32_default(tb[TCA_QFQ_WEIGHT], 1);
if (tb[TCA_QFQ_LMAX]) {
lmax = nla_get_u32(tb[TCA_QFQ_LMAX]);
@@ -248,7 +248,7 @@ static int __red_change(struct Qdisc *sch, struct nlattr **tb,
tb[TCA_RED_STAB] == NULL)
return -EINVAL;
- max_P = tb[TCA_RED_MAX_P] ? nla_get_u32(tb[TCA_RED_MAX_P]) : 0;
+ max_P = nla_get_u32_default(tb[TCA_RED_MAX_P], 0);
ctl = nla_data(tb[TCA_RED_PARMS]);
stab = nla_data(tb[TCA_RED_STAB]);
@@ -1828,7 +1828,7 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt,
* zero; (2) the 'flags' of a "running" taprio instance cannot be
* changed.
*/
- taprio_flags = tb[TCA_TAPRIO_ATTR_FLAGS] ? nla_get_u32(tb[TCA_TAPRIO_ATTR_FLAGS]) : 0;
+ taprio_flags = nla_get_u32_default(tb[TCA_TAPRIO_ATTR_FLAGS], 0);
/* txtime-assist and full offload are mutually exclusive */
if ((taprio_flags & TCA_TAPRIO_ATTR_FLAG_TXTIME_ASSIST) &&
@@ -1286,10 +1286,7 @@ static unsigned int nl80211_link_id(struct nlattr **attrs)
{
struct nlattr *linkid = attrs[NL80211_ATTR_MLO_LINK_ID];
- if (!linkid)
- return 0;
-
- return nla_get_u8(linkid);
+ return nla_get_u8_default(linkid, 0);
}
static int nl80211_link_id_or_invalid(struct nlattr **attrs)
@@ -3414,11 +3411,9 @@ static int _nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
chandef->center_freq1 =
nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
- if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
- chandef->freq1_offset = nla_get_u32(
- attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
- else
- chandef->freq1_offset = 0;
+ chandef->freq1_offset =
+ nla_get_u32_default(attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET],
+ 0);
}
if (attrs[NL80211_ATTR_CENTER_FREQ2])
chandef->center_freq2 =
@@ -8265,11 +8260,9 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
return -EINPROGRESS;
- if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
- user_reg_hint_type =
- nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
- else
- user_reg_hint_type = NL80211_USER_REG_HINT_USER;
+ user_reg_hint_type =
+ nla_get_u32_default(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE],
+ NL80211_USER_REG_HINT_USER);
switch (user_reg_hint_type) {
case NL80211_USER_REG_HINT_USER:
@@ -11087,11 +11080,9 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
}
- if (info->attrs[NL80211_ATTR_SAE_PWE])
- settings->sae_pwe =
- nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
- else
- settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
+ settings->sae_pwe =
+ nla_get_u8_default(info->attrs[NL80211_ATTR_SAE_PWE],
+ NL80211_SAE_PWE_UNSPECIFIED);
return 0;
}
@@ -12347,10 +12338,8 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
return -EPERM;
- if (!info->attrs[NL80211_ATTR_REASON_CODE])
- reason = WLAN_REASON_DEAUTH_LEAVING;
- else
- reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
+ reason = nla_get_u16_default(info->attrs[NL80211_ATTR_REASON_CODE],
+ WLAN_REASON_DEAUTH_LEAVING);
if (reason == 0)
return -EINVAL;
@@ -13696,10 +13685,7 @@ static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
ETH_ALEN);
- if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
- port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
- else
- port = 0;
+ port = nla_get_u16_default(tb[NL80211_WOWLAN_TCP_SRC_PORT], 0);
#ifdef CONFIG_INET
/* allocate a socket and port for it and use it */
err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
@@ -13910,11 +13896,9 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
pat_len < wowlan->pattern_min_len)
goto error;
- if (!pat_tb[NL80211_PKTPAT_OFFSET])
- pkt_offset = 0;
- else
- pkt_offset = nla_get_u32(
- pat_tb[NL80211_PKTPAT_OFFSET]);
+ pkt_offset =
+ nla_get_u32_default(pat_tb[NL80211_PKTPAT_OFFSET],
+ 0);
if (pkt_offset > wowlan->max_pkt_offset)
goto error;
new_triggers.patterns[i].pkt_offset = pkt_offset;
@@ -14158,10 +14142,8 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
pat_len < coalesce->pattern_min_len)
return -EINVAL;
- if (!pat_tb[NL80211_PKTPAT_OFFSET])
- pkt_offset = 0;
- else
- pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
+ pkt_offset = nla_get_u32_default(pat_tb[NL80211_PKTPAT_OFFSET],
+ 0);
if (pkt_offset > coalesce->max_pkt_offset)
return -EINVAL;
new_rule->patterns[i].pkt_offset = pkt_offset;
@@ -200,7 +200,7 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
struct netlink_ext_ack *extack)
{
int err;
- u8 sa_dir = attrs[XFRMA_SA_DIR] ? nla_get_u8(attrs[XFRMA_SA_DIR]) : 0;
+ u8 sa_dir = nla_get_u8_default(attrs[XFRMA_SA_DIR], 0);
u16 family = p->sel.family;
err = -EINVAL;
@@ -767,10 +767,8 @@ static void xfrm_smark_init(struct nlattr **attrs, struct xfrm_mark *m)
{
if (attrs[XFRMA_SET_MARK]) {
m->v = nla_get_u32(attrs[XFRMA_SET_MARK]);
- if (attrs[XFRMA_SET_MARK_MASK])
- m->m = nla_get_u32(attrs[XFRMA_SET_MARK_MASK]);
- else
- m->m = 0xffffffff;
+ m->m = nla_get_u32_default(attrs[XFRMA_SET_MARK_MASK],
+ 0xffffffff);
} else {
m->v = m->m = 0;
}