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mac80211: Use fallthrough pseudo-keyword

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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20200707204548.GA9320@embeddedor
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Gustavo A. R. Silva 2020-07-07 15:45:48 -05:00 committed by Johannes Berg
parent 504776be46
commit fc0561dc6a
17 changed files with 43 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/mac80211_hwsim.c
View File

@ -4334,7 +4334,7 @@ static int __init init_mac80211_hwsim(void)
break;
case HWSIM_REGTEST_STRICT_ALL:
param.reg_strict = true;
/* fall through */
fallthrough;
case HWSIM_REGTEST_DRIVER_REG_ALL:
param.reg_alpha2 = hwsim_alpha2s[0];
break;

6
net/mac80211/cfg.c
View File

@ -608,12 +608,12 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
case WLAN_CIPHER_SUITE_BIP_CMAC_256:
BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
offsetof(typeof(kseq), aes_cmac));
/* fall through */
fallthrough;
case WLAN_CIPHER_SUITE_BIP_GMAC_128:
case WLAN_CIPHER_SUITE_BIP_GMAC_256:
BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
offsetof(typeof(kseq), aes_gmac));
/* fall through */
fallthrough;
case WLAN_CIPHER_SUITE_GCMP:
case WLAN_CIPHER_SUITE_GCMP_256:
BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
@ -2336,7 +2336,7 @@ static int ieee80211_scan(struct wiphy *wiphy,
* for now fall through to allow scanning only when
* beaconing hasn't been configured yet
*/
/* fall through */
fallthrough;
case NL80211_IFTYPE_AP:
/*
* If the scan has been forced (and the driver supports

2
net/mac80211/chan.c
View File

@ -748,7 +748,7 @@ void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
default:
WARN_ONCE(1, "Invalid SMPS mode %d\n",
sdata->smps_mode);
/* fall through */
fallthrough;
case IEEE80211_SMPS_OFF:
needed_static = sdata->needed_rx_chains;
needed_dynamic = sdata->needed_rx_chains;

4
net/mac80211/ht.c
View File

@ -250,7 +250,7 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
switch (sdata->vif.bss_conf.chandef.width) {
default:
WARN_ON_ONCE(1);
/* fall through */
fallthrough;
case NL80211_CHAN_WIDTH_20_NOHT:
case NL80211_CHAN_WIDTH_20:
bw = IEEE80211_STA_RX_BW_20;
@ -517,7 +517,7 @@ int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
case IEEE80211_SMPS_AUTOMATIC:
case IEEE80211_SMPS_NUM_MODES:
WARN_ON(1);
/* fall through */
fallthrough;
case IEEE80211_SMPS_OFF:
action_frame->u.action.u.ht_smps.smps_control =
WLAN_HT_SMPS_CONTROL_DISABLED;

4
net/mac80211/ibss.c
View File

@ -791,7 +791,7 @@ ieee80211_ibss_process_chanswitch(struct ieee80211_sub_if_data *sdata,
case NL80211_CHAN_WIDTH_10:
case NL80211_CHAN_WIDTH_20_NOHT:
sta_flags |= IEEE80211_STA_DISABLE_HT;
/* fall through */
fallthrough;
case NL80211_CHAN_WIDTH_20:
sta_flags |= IEEE80211_STA_DISABLE_40MHZ;
break;
@ -1401,7 +1401,7 @@ ieee80211_ibss_setup_scan_channels(struct wiphy *wiphy,
break;
case NL80211_CHAN_WIDTH_80P80:
cf2 = chandef->center_freq2;
/* fall through */
fallthrough;
case NL80211_CHAN_WIDTH_80:
width = 80;
break;

10
net/mac80211/iface.c
View File

@ -978,7 +978,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
case NL80211_IFTYPE_P2P_DEVICE:
/* relies on synchronize_rcu() below */
RCU_INIT_POINTER(local->p2p_sdata, NULL);
/* fall through */
fallthrough;
default:
cancel_work_sync(&sdata->work);
/*
@ -1048,7 +1048,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
if (!(sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE))
break;
/* fall through */
fallthrough;
default:
if (going_down)
drv_remove_interface(local, sdata);
@ -1497,7 +1497,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
type = NL80211_IFTYPE_AP;
sdata->vif.type = type;
sdata->vif.p2p = true;
/* fall through */
fallthrough;
case NL80211_IFTYPE_AP:
skb_queue_head_init(&sdata->u.ap.ps.bc_buf);
INIT_LIST_HEAD(&sdata->u.ap.vlans);
@ -1507,7 +1507,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
type = NL80211_IFTYPE_STATION;
sdata->vif.type = type;
sdata->vif.p2p = true;
/* fall through */
fallthrough;
case NL80211_IFTYPE_STATION:
sdata->vif.bss_conf.bssid = sdata->u.mgd.bssid;
ieee80211_sta_setup_sdata(sdata);
@ -1703,7 +1703,7 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
goto out_unlock;
}
}
/* fall through */
fallthrough;
default:
/* assign a new address if possible -- try n_addresses first */
for (i = 0; i < local->hw.wiphy->n_addresses; i++) {

2
net/mac80211/key.c
View File

@ -225,7 +225,7 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
*/
if (sdata->hw_80211_encap)
return -EINVAL;
/* Fall through */
fallthrough;
case WLAN_CIPHER_SUITE_AES_CMAC:
case WLAN_CIPHER_SUITE_BIP_CMAC_256:

4
net/mac80211/mesh.c
View File

@ -1094,10 +1094,10 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
switch (sdata->vif.bss_conf.chandef.width) {
case NL80211_CHAN_WIDTH_20_NOHT:
sta_flags |= IEEE80211_STA_DISABLE_HT;
/* fall through */
fallthrough;
case NL80211_CHAN_WIDTH_20:
sta_flags |= IEEE80211_STA_DISABLE_40MHZ;
/* fall through */
fallthrough;
case NL80211_CHAN_WIDTH_40:
sta_flags |= IEEE80211_STA_DISABLE_VHT;
break;

2
net/mac80211/mesh_hwmp.c
View File

@ -1266,7 +1266,7 @@ void mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata)
break;
case IEEE80211_PROACTIVE_PREQ_WITH_PREP:
flags |= IEEE80211_PREQ_PROACTIVE_PREP_FLAG;
/* fall through */
fallthrough;
case IEEE80211_PROACTIVE_PREQ_NO_PREP:
interval = ifmsh->mshcfg.dot11MeshHWMPactivePathToRootTimeout;
target_flags |= IEEE80211_PREQ_TO_FLAG |

2
net/mac80211/mesh_plink.c
View File

@ -699,7 +699,7 @@ void mesh_plink_timer(struct timer_list *t)
break;
}
reason = WLAN_REASON_MESH_MAX_RETRIES;
/* fall through */
fallthrough;
case NL80211_PLINK_CNF_RCVD:
/* confirm timer */
if (!reason)

4
net/mac80211/mlme.c
View File

@ -533,7 +533,7 @@ static void ieee80211_add_ht_ie(struct ieee80211_sub_if_data *sdata,
case IEEE80211_SMPS_AUTOMATIC:
case IEEE80211_SMPS_NUM_MODES:
WARN_ON(1);
/* fall through */
fallthrough;
case IEEE80211_SMPS_OFF:
cap |= WLAN_HT_CAP_SM_PS_DISABLED <<
IEEE80211_HT_CAP_SM_PS_SHIFT;
@ -1529,7 +1529,7 @@ ieee80211_find_80211h_pwr_constr(struct ieee80211_sub_if_data *sdata,
switch (channel->band) {
default:
WARN_ON_ONCE(1);
/* fall through */
fallthrough;
case NL80211_BAND_2GHZ:
case NL80211_BAND_60GHZ:
chan_increment = 1;

4
net/mac80211/offchannel.c
View File

@ -808,13 +808,13 @@ int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
if (!sdata->vif.bss_conf.ibss_joined)
need_offchan = true;
#ifdef CONFIG_MAC80211_MESH
/* fall through */
fallthrough;
case NL80211_IFTYPE_MESH_POINT:
if (ieee80211_vif_is_mesh(&sdata->vif) &&
!sdata->u.mesh.mesh_id_len)
need_offchan = true;
#endif
/* fall through */
fallthrough;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_GO:

4
net/mac80211/rx.c
View File

@ -3736,7 +3736,7 @@ static void ieee80211_rx_handlers_result(struct ieee80211_rx_data *rx,
I802_DEBUG_INC(rx->sdata->local->rx_handlers_drop);
if (rx->sta)
rx->sta->rx_stats.dropped++;
/* fall through */
fallthrough;
case RX_CONTINUE: {
struct ieee80211_rate *rate = NULL;
struct ieee80211_supported_band *sband;
@ -4752,7 +4752,7 @@ void ieee80211_rx_napi(struct ieee80211_hw *hw, struct ieee80211_sta *pubsta,
break;
default:
WARN_ON_ONCE(1);
/* fall through */
fallthrough;
case RX_ENC_LEGACY:
if (WARN_ON(status->rate_idx >= sband->n_bitrates))
goto drop;

8
net/mac80211/tdls.c
View File

@ -239,7 +239,7 @@ static enum ieee80211_ac_numbers ieee80211_ac_from_wmm(int ac)
switch (ac) {
default:
WARN_ON_ONCE(1);
/* fall through */
fallthrough;
case 0:
return IEEE80211_AC_BE;
case 1:
@ -952,7 +952,7 @@ ieee80211_tdls_prep_mgmt_packet(struct wiphy *wiphy, struct net_device *dev,
set_sta_flag(sta, WLAN_STA_TDLS_INITIATOR);
sta->sta.tdls_initiator = false;
}
/* fall-through */
fallthrough;
case WLAN_TDLS_SETUP_CONFIRM:
case WLAN_TDLS_DISCOVERY_REQUEST:
initiator = true;
@ -967,7 +967,7 @@ ieee80211_tdls_prep_mgmt_packet(struct wiphy *wiphy, struct net_device *dev,
clear_sta_flag(sta, WLAN_STA_TDLS_INITIATOR);
sta->sta.tdls_initiator = true;
}
/* fall-through */
fallthrough;
case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
initiator = false;
break;
@ -1222,7 +1222,7 @@ int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
* by the AP.
*/
drv_mgd_protect_tdls_discover(sdata->local, sdata);
/* fall-through */
fallthrough;
case WLAN_TDLS_SETUP_CONFIRM:
case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
/* no special handling */

12
net/mac80211/tx.c
View File

@ -1740,7 +1740,7 @@ static bool __ieee80211_tx(struct ieee80211_local *local,
case NL80211_IFTYPE_AP_VLAN:
sdata = container_of(sdata->bss,
struct ieee80211_sub_if_data, u.ap);
/* fall through */
fallthrough;
default:
vif = &sdata->vif;
break;
@ -2383,7 +2383,7 @@ int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata,
} else if (sdata->wdev.use_4addr) {
return -ENOLINK;
}
/* fall through */
fallthrough;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_OCB:
case NL80211_IFTYPE_ADHOC:
@ -2553,7 +2553,7 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata,
band = chanctx_conf->def.chan->band;
if (sdata->wdev.use_4addr)
break;
/* fall through */
fallthrough;
case NL80211_IFTYPE_AP:
if (sdata->vif.type == NL80211_IFTYPE_AP)
chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
@ -3000,7 +3000,7 @@ void ieee80211_check_fast_xmit(struct sta_info *sta)
build.hdr_len = 30;
break;
}
/* fall through */
fallthrough;
case NL80211_IFTYPE_AP:
fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
/* DA BSSID SA */
@ -3711,7 +3711,7 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
case NL80211_IFTYPE_AP_VLAN:
tx.sdata = container_of(tx.sdata->bss,
struct ieee80211_sub_if_data, u.ap);
/* fall through */
fallthrough;
default:
vif = &tx.sdata->vif;
break;
@ -4050,7 +4050,7 @@ static bool ieee80211_multicast_to_unicast(struct sk_buff *skb,
return false;
if (sdata->wdev.use_4addr)
return false;
/* fall through */
fallthrough;
case NL80211_IFTYPE_AP:
/* check runtime toggle for this bss */
if (!sdata->bss->multicast_to_unicast)

15
net/mac80211/util.c
View File

@ -2347,10 +2347,10 @@ int ieee80211_reconfig(struct ieee80211_local *local)
case NL80211_IFTYPE_ADHOC:
if (sdata->vif.bss_conf.ibss_joined)
WARN_ON(drv_join_ibss(local, sdata));
/* fall through */
fallthrough;
default:
ieee80211_reconfig_stations(sdata);
/* fall through */
fallthrough;
case NL80211_IFTYPE_AP: /* AP stations are handled later */
for (i = 0; i < IEEE80211_NUM_ACS; i++)
drv_conf_tx(local, sdata, i,
@ -2399,7 +2399,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
break;
case NL80211_IFTYPE_ADHOC:
changed |= BSS_CHANGED_IBSS;
/* fall through */
fallthrough;
case NL80211_IFTYPE_AP:
changed |= BSS_CHANGED_SSID | BSS_CHANGED_P2P_PS;
@ -2414,8 +2414,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
if (rcu_access_pointer(sdata->u.ap.beacon))
drv_start_ap(local, sdata);
}
/* fall through */
fallthrough;
case NL80211_IFTYPE_MESH_POINT:
if (sdata->vif.bss_conf.enable_beacon) {
changed |= BSS_CHANGED_BEACON |
@ -2885,7 +2884,7 @@ void ieee80211_ie_build_he_6ghz_cap(struct ieee80211_sub_if_data *sdata,
case IEEE80211_SMPS_AUTOMATIC:
case IEEE80211_SMPS_NUM_MODES:
WARN_ON(1);
/* fall through */
fallthrough;
case IEEE80211_SMPS_OFF:
cap |= u16_encode_bits(WLAN_HT_CAP_SM_PS_DISABLED,
IEEE80211_HE_6GHZ_CAP_SM_PS);
@ -3196,7 +3195,7 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info,
break;
case 0x01:
support_80_80 = false;
/* fall through */
fallthrough;
case 0x02:
case 0x03:
ccf1 = ccfs2;
@ -3566,7 +3565,7 @@ u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
break;
default:
WARN_ON(1);
/* fall through */
fallthrough;
case RX_ENC_LEGACY: {
struct ieee80211_supported_band *sband;
int shift = 0;

2
net/mac80211/wme.c
View File

@ -198,7 +198,7 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
sta = rcu_dereference(sdata->u.vlan.sta);
if (sta)
break;
/* fall through */
fallthrough;
case NL80211_IFTYPE_AP:
ra = skb->data;
break;