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cfg80211: add some missing fall through annotations

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There are talks about enabling -Wimplicit-fallthrough warnings in the
mainline and it is already enabled in linux-next.  Add all the
missing annotations to prevent warnings when this happens.

And in one case, remove the extra text from the annotation so that the
compiler recognizes it.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Luca Coelho 2018-12-15 11:03:21 +02:00 committed by Johannes Berg
parent 30db641ef4
commit 925b5978cd
3 changed files with 13 additions and 1 deletions
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3
net/wireless/chan.c
View File

@ -6,6 +6,7 @@
*
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2018 Intel Corporation
*/
#include <linux/export.h>
@ -747,6 +748,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
case NL80211_CHAN_WIDTH_20:
if (!ht_cap->ht_supported)
return false;
/* fall through */
case NL80211_CHAN_WIDTH_20_NOHT:
prohibited_flags |= IEEE80211_CHAN_NO_20MHZ;
width = 20;
@ -769,6 +771,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK;
if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)
return false;
/* fall through */
case NL80211_CHAN_WIDTH_80:
if (!vht_cap->vht_supported)
return false;

9
net/wireless/nl80211.c
View File

@ -1851,6 +1851,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
state->split_start++;
if (state->split)
break;
/* fall through */
case 1:
if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
sizeof(u32) * rdev->wiphy.n_cipher_suites,
@ -1897,6 +1898,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
state->split_start++;
if (state->split)
break;
/* fall through */
case 2:
if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
rdev->wiphy.interface_modes))
@ -1904,6 +1906,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
state->split_start++;
if (state->split)
break;
/* fall through */
case 3:
nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
if (!nl_bands)
@ -1929,6 +1932,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
state->chan_start++;
if (state->split)
break;
/* fall through */
default:
/* add frequencies */
nl_freqs = nla_nest_start(
@ -1982,6 +1986,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
state->split_start++;
if (state->split)
break;
/* fall through */
case 4:
nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
if (!nl_cmds)
@ -2008,6 +2013,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
state->split_start++;
if (state->split)
break;
/* fall through */
case 5:
if (rdev->ops->remain_on_channel &&
(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
@ -2025,6 +2031,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
state->split_start++;
if (state->split)
break;
/* fall through */
case 6:
#ifdef CONFIG_PM
if (nl80211_send_wowlan(msg, rdev, state->split))
@ -2035,6 +2042,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
#else
state->split_start++;
#endif
/* fall through */
case 7:
if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
rdev->wiphy.software_iftypes))
@ -2047,6 +2055,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
state->split_start++;
if (state->split)
break;
/* fall through */
case 8:
if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,

2
net/wireless/scan.c
View File

@ -1183,7 +1183,7 @@ cfg80211_inform_bss_data(struct wiphy *wiphy,
switch (ftype) {
case CFG80211_BSS_FTYPE_BEACON:
ies->from_beacon = true;
/* fall through to assign */
/* fall through */
case CFG80211_BSS_FTYPE_UNKNOWN:
rcu_assign_pointer(tmp.pub.beacon_ies, ies);
break;