[PATCH] mac80211: fix vlan bug
VLAN interfaces have yet another bug: they aren't accounted
for properly in the receive path in prepare_for_handlers().
I noticed this by code inspection, but it would be easy for
the compiler to catch such things if we'd just use the proper
enum where appropriate.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 5263819..b118053 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -344,6 +344,13 @@
if (!sdata->u.vlan.ap)
return -ENOLINK;
break;
+ case IEEE80211_IF_TYPE_AP:
+ case IEEE80211_IF_TYPE_MGMT:
+ case IEEE80211_IF_TYPE_STA:
+ case IEEE80211_IF_TYPE_MNTR:
+ case IEEE80211_IF_TYPE_IBSS:
+ /* no special treatment */
+ break;
}
if (local->open_count == 0) {
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index a5961f1..636de70 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -290,7 +290,7 @@
#define IEEE80211_SDATA_SHORT_PREAMBLE BIT(3)
struct ieee80211_sub_if_data {
struct list_head list;
- unsigned int type;
+ enum ieee80211_if_types type;
struct wireless_dev wdev;
diff --git a/net/mac80211/ieee80211_iface.c b/net/mac80211/ieee80211_iface.c
index 369ee4f..60cee6e 100644
--- a/net/mac80211/ieee80211_iface.c
+++ b/net/mac80211/ieee80211_iface.c
@@ -243,6 +243,9 @@
ieee80211_if_sdata_deinit(sdata);
switch (sdata->type) {
+ case IEEE80211_IF_TYPE_MGMT:
+ /* nothing to do */
+ break;
case IEEE80211_IF_TYPE_AP: {
/* Remove all virtual interfaces that use this BSS
* as their sdata->bss */
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 453ccab..34adc52 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1425,6 +1425,7 @@
rx->sta = ieee80211_ibss_add_sta(sdata->dev, rx->skb,
bssid, hdr->addr2);
break;
+ case IEEE80211_IF_TYPE_VLAN:
case IEEE80211_IF_TYPE_AP:
if (!bssid) {
if (compare_ether_addr(sdata->dev->dev_addr,
@@ -1449,6 +1450,13 @@
if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
return 0;
break;
+ case IEEE80211_IF_TYPE_MNTR:
+ /* take everything */
+ break;
+ case IEEE80211_IF_TYPE_MGMT:
+ /* should never get here */
+ WARN_ON(1);
+ break;
}
return 1;
