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wifi: cfg80211: use IEEE80211_MAX_MESH_ID_LEN appropriately

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Even if that's the same as IEEE80211_MAX_SSID_LEN, we really
should just use IEEE80211_MAX_MESH_ID_LEN for mesh, rather
than having the BUILD_BUG_ON()s.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2024-02-14 20:08:43 +01:00
parent 7777018992
commit 414532d8aa
2 changed files with 1 additions and 5 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
include/net/cfg80211.h
View file

@ -6223,7 +6223,7 @@ struct wireless_dev {
int beacon_interval; int beacon_interval;
struct cfg80211_chan_def preset_chandef; struct cfg80211_chan_def preset_chandef;
struct cfg80211_chan_def chandef; struct cfg80211_chan_def chandef;
u8 id[IEEE80211_MAX_SSID_LEN]; u8 id[IEEE80211_MAX_MESH_ID_LEN];
u8 id_len, id_up_len; u8 id_len, id_up_len;
} mesh; } mesh;
struct { struct {

4
net/wireless/nl80211.c
View file

@ -4205,8 +4205,6 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
if (netif_running(dev)) if (netif_running(dev))
return -EBUSY; return -EBUSY;
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
IEEE80211_MAX_MESH_ID_LEN);
wdev->u.mesh.id_up_len = wdev->u.mesh.id_up_len =
nla_len(info->attrs[NL80211_ATTR_MESH_ID]); nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
memcpy(wdev->u.mesh.id, memcpy(wdev->u.mesh.id,
@ -4312,8 +4310,6 @@ static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_MESH_POINT:
if (!info->attrs[NL80211_ATTR_MESH_ID]) if (!info->attrs[NL80211_ATTR_MESH_ID])
break; break;
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
IEEE80211_MAX_MESH_ID_LEN);
wdev->u.mesh.id_up_len = wdev->u.mesh.id_up_len =
nla_len(info->attrs[NL80211_ATTR_MESH_ID]); nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
memcpy(wdev->u.mesh.id, memcpy(wdev->u.mesh.id,