From: Marek Lindner Date: Tue, 7 Jul 2015 08:51:36 +0000 (+0800) Subject: batman-adv: 2015.0 bugfixes & stability updates X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=96867471b7ae536e59a9d7298d419cea504f46dc;p=feed%2Frouting.git batman-adv: 2015.0 bugfixes & stability updates Signed-off-by: Marek Lindner --- diff --git a/batman-adv/patches/0001-batman-adv-Avoid-u32-overflow-during-gateway-select.patch b/batman-adv/patches/0001-batman-adv-Avoid-u32-overflow-during-gateway-select.patch index 19eb2fb..b7232e7 100644 --- a/batman-adv/patches/0001-batman-adv-Avoid-u32-overflow-during-gateway-select.patch +++ b/batman-adv/patches/0001-batman-adv-Avoid-u32-overflow-during-gateway-select.patch @@ -1,7 +1,7 @@ From f63c54bba31d2c86269982fd8efdfb618f1daabe Mon Sep 17 00:00:00 2001 From: Ruben Wisniewski Date: Tue, 26 May 2015 18:34:27 +0200 -Subject: [PATCH 01/13] batman-adv: Avoid u32 overflow during gateway select +Subject: [PATCH 01/17] batman-adv: Avoid u32 overflow during gateway select The gateway selection based on fast connections is using a single value calculated from the average tq (0-255) and the download bandwidth (in diff --git a/batman-adv/patches/0002-batman-adv-avoid-DAT-to-mess-up-LAN-state.patch b/batman-adv/patches/0002-batman-adv-avoid-DAT-to-mess-up-LAN-state.patch index 082c097..b335f4f 100644 --- a/batman-adv/patches/0002-batman-adv-avoid-DAT-to-mess-up-LAN-state.patch +++ b/batman-adv/patches/0002-batman-adv-avoid-DAT-to-mess-up-LAN-state.patch @@ -1,7 +1,7 @@ From 9bbd794030657fe0d38590cd67d4801b989cebf9 Mon Sep 17 00:00:00 2001 From: Antonio Quartulli Date: Mon, 1 Jun 2015 17:29:57 +0200 -Subject: [PATCH 02/13] batman-adv: avoid DAT to mess up LAN state +Subject: [PATCH 02/17] batman-adv: avoid DAT to mess up LAN state When a node running DAT receives an ARP request from the LAN for the first time, it is likely that this node will request the ARP entry diff --git a/batman-adv/patches/0003-batman-adv-Make-DAT-capability-changes-atomic.patch b/batman-adv/patches/0003-batman-adv-Make-DAT-capability-changes-atomic.patch index 0f6ce8c..4152a52 100644 --- a/batman-adv/patches/0003-batman-adv-Make-DAT-capability-changes-atomic.patch +++ b/batman-adv/patches/0003-batman-adv-Make-DAT-capability-changes-atomic.patch @@ -1,7 +1,7 @@ From bfd0fbaef270ac4ed8e4457a38ef8d91190c0540 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Linus=20L=C3=BCssing?= Date: Tue, 16 Jun 2015 17:10:22 +0200 -Subject: [PATCH 03/13] batman-adv: Make DAT capability changes atomic +Subject: [PATCH 03/17] batman-adv: Make DAT capability changes atomic MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit diff --git a/batman-adv/patches/0004-batman-adv-Make-NC-capability-changes-atomic.patch b/batman-adv/patches/0004-batman-adv-Make-NC-capability-changes-atomic.patch index e69178e..935a6cd 100644 --- a/batman-adv/patches/0004-batman-adv-Make-NC-capability-changes-atomic.patch +++ b/batman-adv/patches/0004-batman-adv-Make-NC-capability-changes-atomic.patch @@ -1,7 +1,7 @@ From 586df9e2537b51c0df7ce99576c3cee1681b64de Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Linus=20L=C3=BCssing?= Date: Tue, 16 Jun 2015 17:10:23 +0200 -Subject: [PATCH 04/13] batman-adv: Make NC capability changes atomic +Subject: [PATCH 04/17] batman-adv: Make NC capability changes atomic MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit diff --git a/batman-adv/patches/0005-batman-adv-Make-TT-capability-changes-atomic.patch b/batman-adv/patches/0005-batman-adv-Make-TT-capability-changes-atomic.patch index f41b775..c6e9078 100644 --- a/batman-adv/patches/0005-batman-adv-Make-TT-capability-changes-atomic.patch +++ b/batman-adv/patches/0005-batman-adv-Make-TT-capability-changes-atomic.patch @@ -1,7 +1,7 @@ From a51fa16ecf3f079518baaa56bffae343bd5694f0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Linus=20L=C3=BCssing?= Date: Tue, 16 Jun 2015 17:10:24 +0200 -Subject: [PATCH 05/13] batman-adv: Make TT capability changes atomic +Subject: [PATCH 05/17] batman-adv: Make TT capability changes atomic MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit diff --git a/batman-adv/patches/0006-batman-adv-Make-MCAST-capability-changes-atomic.patch b/batman-adv/patches/0006-batman-adv-Make-MCAST-capability-changes-atomic.patch index 99f9038..d1d7beb 100644 --- a/batman-adv/patches/0006-batman-adv-Make-MCAST-capability-changes-atomic.patch +++ b/batman-adv/patches/0006-batman-adv-Make-MCAST-capability-changes-atomic.patch @@ -1,7 +1,7 @@ From 201a54ba710ab7f40b82ad3c109f702c47d0761f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Linus=20L=C3=BCssing?= Date: Tue, 16 Jun 2015 17:10:25 +0200 -Subject: [PATCH 06/13] batman-adv: Make MCAST capability changes atomic +Subject: [PATCH 06/17] batman-adv: Make MCAST capability changes atomic MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit diff --git a/batman-adv/patches/0007-batman-adv-Fix-potential-synchronization-issues-in-m.patch b/batman-adv/patches/0007-batman-adv-Fix-potential-synchronization-issues-in-m.patch index 2a2496e..66d61b3 100644 --- a/batman-adv/patches/0007-batman-adv-Fix-potential-synchronization-issues-in-m.patch +++ b/batman-adv/patches/0007-batman-adv-Fix-potential-synchronization-issues-in-m.patch @@ -1,7 +1,7 @@ From 7f220ed1f063be00833bd34a013c8f3f45884031 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Linus=20L=C3=BCssing?= Date: Tue, 16 Jun 2015 17:10:26 +0200 -Subject: [PATCH 07/13] batman-adv: Fix potential synchronization issues in +Subject: [PATCH 07/17] batman-adv: Fix potential synchronization issues in mcast tvlv handler MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 diff --git a/batman-adv/patches/0008-batman-adv-Fix-compile-error-on-deactivated-MCAST-fe.patch b/batman-adv/patches/0008-batman-adv-Fix-compile-error-on-deactivated-MCAST-fe.patch index eff8249..c854522 100644 --- a/batman-adv/patches/0008-batman-adv-Fix-compile-error-on-deactivated-MCAST-fe.patch +++ b/batman-adv/patches/0008-batman-adv-Fix-compile-error-on-deactivated-MCAST-fe.patch @@ -1,7 +1,7 @@ From 256776ef8562744f90ac9379364df4cf88291b49 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Linus=20L=C3=BCssing?= Date: Thu, 18 Jun 2015 06:47:19 +0200 -Subject: [PATCH 08/13] batman-adv: Fix compile error on deactivated MCAST +Subject: [PATCH 08/17] batman-adv: Fix compile error on deactivated MCAST feature MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 diff --git a/batman-adv/patches/0009-batman-adv-fix-kernel-crash-due-to-missing-NULL-chec.patch b/batman-adv/patches/0009-batman-adv-fix-kernel-crash-due-to-missing-NULL-chec.patch index c217a93..3e19c0e 100644 --- a/batman-adv/patches/0009-batman-adv-fix-kernel-crash-due-to-missing-NULL-chec.patch +++ b/batman-adv/patches/0009-batman-adv-fix-kernel-crash-due-to-missing-NULL-chec.patch @@ -1,7 +1,7 @@ From 2c2dfd886a400057ccbc66f1507c94ed909d2a89 Mon Sep 17 00:00:00 2001 From: Marek Lindner Date: Tue, 9 Jun 2015 21:24:36 +0800 -Subject: [PATCH 09/13] batman-adv: fix kernel crash due to missing NULL checks +Subject: [PATCH 09/17] batman-adv: fix kernel crash due to missing NULL checks batadv_softif_vlan_get() may return NULL which has to be verified by the caller. diff --git a/batman-adv/patches/0010-batman-adv-protect-tt_local_entry-from-concurrent-de.patch b/batman-adv/patches/0010-batman-adv-protect-tt_local_entry-from-concurrent-de.patch index 7dc83a7..5cc27ee 100644 --- a/batman-adv/patches/0010-batman-adv-protect-tt_local_entry-from-concurrent-de.patch +++ b/batman-adv/patches/0010-batman-adv-protect-tt_local_entry-from-concurrent-de.patch @@ -1,7 +1,7 @@ From af912d77181f252e6fdd324592d006e30bc82909 Mon Sep 17 00:00:00 2001 From: Marek Lindner Date: Wed, 17 Jun 2015 20:01:36 +0800 -Subject: [PATCH 10/13] batman-adv: protect tt_local_entry from concurrent +Subject: [PATCH 10/17] batman-adv: protect tt_local_entry from concurrent delete events The tt_local_entry deletion performed in batadv_tt_local_remove() was neither diff --git a/batman-adv/patches/0011-batman-adv-protect-tt-request-from-double-deletion.patch b/batman-adv/patches/0011-batman-adv-protect-tt-request-from-double-deletion.patch index 61da936..dd0e26f 100644 --- a/batman-adv/patches/0011-batman-adv-protect-tt-request-from-double-deletion.patch +++ b/batman-adv/patches/0011-batman-adv-protect-tt-request-from-double-deletion.patch @@ -1,7 +1,7 @@ From 9bac35c1e4fab662522371f81147963e19693409 Mon Sep 17 00:00:00 2001 From: Marek Lindner Date: Mon, 22 Jun 2015 00:36:28 +0800 -Subject: [PATCH 11/13] batman-adv: protect tt request from double deletion +Subject: [PATCH 11/17] batman-adv: protect tt request from double deletion The list_del() calls were changed to list_del_init() to prevent an accidental double deletion in batadv_tt_req_node_new(). diff --git a/batman-adv/patches/0012-batman-adv-initialize-up-down-values-when-adding-a-g.patch b/batman-adv/patches/0012-batman-adv-initialize-up-down-values-when-adding-a-g.patch index 6338edc..04b3758 100644 --- a/batman-adv/patches/0012-batman-adv-initialize-up-down-values-when-adding-a-g.patch +++ b/batman-adv/patches/0012-batman-adv-initialize-up-down-values-when-adding-a-g.patch @@ -1,7 +1,7 @@ From 3c92b633715b7eca80dc7a2347e0e4dbcce1f018 Mon Sep 17 00:00:00 2001 From: Simon Wunderlich Date: Wed, 24 Jun 2015 14:50:19 +0200 -Subject: [PATCH 12/13] batman-adv: initialize up/down values when adding a +Subject: [PATCH 12/17] batman-adv: initialize up/down values when adding a gateway Without this initialization, gateways which actually announce up/down diff --git a/batman-adv/patches/0013-batman-adv-remove-broadcast-packets-scheduled-for-pu.patch b/batman-adv/patches/0013-batman-adv-remove-broadcast-packets-scheduled-for-pu.patch index da455e1..b7a27ef 100644 --- a/batman-adv/patches/0013-batman-adv-remove-broadcast-packets-scheduled-for-pu.patch +++ b/batman-adv/patches/0013-batman-adv-remove-broadcast-packets-scheduled-for-pu.patch @@ -1,7 +1,7 @@ From 07bec2d4dec83f024baf166b95cf037be3a7eca5 Mon Sep 17 00:00:00 2001 From: Simon Wunderlich Date: Wed, 24 Jun 2015 14:50:20 +0200 -Subject: [PATCH 13/13] batman-adv: remove broadcast packets scheduled for +Subject: [PATCH 13/17] batman-adv: remove broadcast packets scheduled for purged outgoing if When an interface is purged, the broadcast packets scheduled for this diff --git a/batman-adv/patches/0014-batman-adv-Fix-broken-DAT-capability-check.patch b/batman-adv/patches/0014-batman-adv-Fix-broken-DAT-capability-check.patch new file mode 100644 index 0000000..bffabb3 --- /dev/null +++ b/batman-adv/patches/0014-batman-adv-Fix-broken-DAT-capability-check.patch @@ -0,0 +1,53 @@ +From de4666781c5a64cd55aa6688f77de95f8f66b2c0 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Linus=20L=C3=BCssing?= +Date: Fri, 3 Jul 2015 18:29:56 +0200 +Subject: [PATCH 14/17] batman-adv: Fix broken DAT capability check +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The introduction of set_bit() and clear_bit() calls in batman-adv +wrongly passed bitmasks and not the bit numbers to these functions. +This leads to broken capability checks. + +Fixing this by making the capability enum a non-bitmasked one and by +that passing non-masked values to set_bit()/clear_bit(). + +Fixes: bfd0fbaef270 ("batman-adv: Make DAT capability changes atomic") +Reported-by: Def +Signed-off-by: Linus Lüssing +Signed-off-by: Marek Lindner +--- + distributed-arp-table.c | 2 +- + types.h | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +diff --git a/distributed-arp-table.c b/distributed-arp-table.c +index b2cc19b..c0c514d 100644 +--- a/distributed-arp-table.c ++++ b/distributed-arp-table.c +@@ -422,7 +422,7 @@ static bool batadv_is_orig_node_eligible(struct batadv_dat_candidate *res, + int j; + + /* check if orig node candidate is running DAT */ +- if (!(candidate->capabilities & BATADV_ORIG_CAPA_HAS_DAT)) ++ if (!(test_bit(BATADV_ORIG_CAPA_HAS_DAT, &candidate->capabilities))) + goto out; + + /* Check if this node has already been selected... */ +diff --git a/types.h b/types.h +index 65dc6bf..08a6343 100644 +--- a/types.h ++++ b/types.h +@@ -299,7 +299,7 @@ struct batadv_orig_node { + * (= orig node announces a tvlv of type BATADV_TVLV_MCAST) + */ + enum batadv_orig_capabilities { +- BATADV_ORIG_CAPA_HAS_DAT = BIT(0), ++ BATADV_ORIG_CAPA_HAS_DAT, + BATADV_ORIG_CAPA_HAS_NC = BIT(1), + BATADV_ORIG_CAPA_HAS_TT = BIT(2), + BATADV_ORIG_CAPA_HAS_MCAST = BIT(3), +-- +2.1.4 + diff --git a/batman-adv/patches/0015-batman-adv-Fix-broken-NC-capability-check.patch b/batman-adv/patches/0015-batman-adv-Fix-broken-NC-capability-check.patch new file mode 100644 index 0000000..86ecd92 --- /dev/null +++ b/batman-adv/patches/0015-batman-adv-Fix-broken-NC-capability-check.patch @@ -0,0 +1,53 @@ +From dfb27e75b5586e356e88b9d827d772a6cbdf3cc1 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Linus=20L=C3=BCssing?= +Date: Fri, 3 Jul 2015 18:29:57 +0200 +Subject: [PATCH 15/17] batman-adv: Fix broken NC capability check +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The introduction of set_bit() and clear_bit() calls in batman-adv +wrongly passed bitmasks and not the bit numbers to these functions. +This leads to broken capability checks. + +Fixing this by making the capability enum a non-bitmasked one and by +that passing non-masked values to set_bit()/clear_bit(). + +Fixes: 586df9e2537b ("batman-adv: Make NC capability changes atomic") +Reported-by: Def +Signed-off-by: Linus Lüssing +Signed-off-by: Marek Lindner +--- + network-coding.c | 2 +- + types.h | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +diff --git a/network-coding.c b/network-coding.c +index 3ce493e..0309c2c 100644 +--- a/network-coding.c ++++ b/network-coding.c +@@ -871,7 +871,7 @@ void batadv_nc_update_nc_node(struct batadv_priv *bat_priv, + goto out; + + /* check if orig node is network coding enabled */ +- if (!(orig_node->capabilities & BATADV_ORIG_CAPA_HAS_NC)) ++ if (!(test_bit(BATADV_ORIG_CAPA_HAS_NC, &orig_node->capabilities))) + goto out; + + /* accept ogms from 'good' neighbors and single hop neighbors */ +diff --git a/types.h b/types.h +index 08a6343..cb7ccb1 100644 +--- a/types.h ++++ b/types.h +@@ -300,7 +300,7 @@ struct batadv_orig_node { + */ + enum batadv_orig_capabilities { + BATADV_ORIG_CAPA_HAS_DAT, +- BATADV_ORIG_CAPA_HAS_NC = BIT(1), ++ BATADV_ORIG_CAPA_HAS_NC, + BATADV_ORIG_CAPA_HAS_TT = BIT(2), + BATADV_ORIG_CAPA_HAS_MCAST = BIT(3), + }; +-- +2.1.4 + diff --git a/batman-adv/patches/0016-batman-adv-Fix-broken-TT-capability-check.patch b/batman-adv/patches/0016-batman-adv-Fix-broken-TT-capability-check.patch new file mode 100644 index 0000000..5295026 --- /dev/null +++ b/batman-adv/patches/0016-batman-adv-Fix-broken-TT-capability-check.patch @@ -0,0 +1,54 @@ +From a4824ffaa200050a0b3e68101ebe074a7c45b7d5 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Linus=20L=C3=BCssing?= +Date: Fri, 3 Jul 2015 18:29:58 +0200 +Subject: [PATCH 16/17] batman-adv: Fix broken TT capability check +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The introduction of set_bit() and clear_bit() calls in batman-adv +wrongly passed bitmasks and not the bit numbers to these functions. +This leads to broken capability checks. + +Fixing this by making the capability enum a non-bitmasked one and by +that passing non-masked values to set_bit()/clear_bit(). + +Fixes: a51fa16ecf3f ("batman-adv: Make TT capability changes atomic") +Reported-by: Def +Signed-off-by: Linus Lüssing +Signed-off-by: Marek Lindner +--- + translation-table.c | 3 ++- + types.h | 2 +- + 2 files changed, 3 insertions(+), 2 deletions(-) + +diff --git a/translation-table.c b/translation-table.c +index b6c0f52..d73b103 100644 +--- a/translation-table.c ++++ b/translation-table.c +@@ -3323,7 +3323,8 @@ static void batadv_tt_update_orig(struct batadv_priv *bat_priv, + bool has_tt_init; + + tt_vlan = (struct batadv_tvlv_tt_vlan_data *)tt_buff; +- has_tt_init = orig_node->capa_initialized & BATADV_ORIG_CAPA_HAS_TT; ++ has_tt_init = test_bit(BATADV_ORIG_CAPA_HAS_TT, ++ &orig_node->capa_initialized); + + /* orig table not initialised AND first diff is in the OGM OR the ttvn + * increased by one -> we can apply the attached changes +diff --git a/types.h b/types.h +index cb7ccb1..6f4486c 100644 +--- a/types.h ++++ b/types.h +@@ -301,7 +301,7 @@ struct batadv_orig_node { + enum batadv_orig_capabilities { + BATADV_ORIG_CAPA_HAS_DAT, + BATADV_ORIG_CAPA_HAS_NC, +- BATADV_ORIG_CAPA_HAS_TT = BIT(2), ++ BATADV_ORIG_CAPA_HAS_TT, + BATADV_ORIG_CAPA_HAS_MCAST = BIT(3), + }; + +-- +2.1.4 + diff --git a/batman-adv/patches/0017-batman-adv-Fix-broken-MCAST-capability-check.patch b/batman-adv/patches/0017-batman-adv-Fix-broken-MCAST-capability-check.patch new file mode 100644 index 0000000..8930543 --- /dev/null +++ b/batman-adv/patches/0017-batman-adv-Fix-broken-MCAST-capability-check.patch @@ -0,0 +1,82 @@ +From 1798ad3fb6ba72f8c6f96024b27ad27193648787 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Linus=20L=C3=BCssing?= +Date: Fri, 3 Jul 2015 18:29:59 +0200 +Subject: [PATCH 17/17] batman-adv: Fix broken MCAST capability check +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The introduction of set_bit() and clear_bit() calls in batman-adv +wrongly passed bitmasks and not the bit numbers to these functions. +This leads to broken capability checks. + +Fixing this by making the capability enum a non-bitmasked one and by +that passing non-masked values to set_bit()/clear_bit(). + +Fixes: 201a54ba710a ("batman-adv: Make MCAST capability changes atomic") +Reported-by: Def +Signed-off-by: Linus Lüssing +Signed-off-by: Marek Lindner +--- + multicast.c | 11 ++++++----- + types.h | 2 +- + 2 files changed, 7 insertions(+), 6 deletions(-) + +diff --git a/multicast.c b/multicast.c +index b75bcc3..ee8317f 100644 +--- a/multicast.c ++++ b/multicast.c +@@ -709,14 +709,15 @@ static void batadv_mcast_tvlv_ogm_handler_v1(struct batadv_priv *bat_priv, + mcast_flags = *(uint8_t *)tvlv_value; + + spin_lock_bh(&orig->mcast_handler_lock); +- orig_initialized = orig->capa_initialized & BATADV_ORIG_CAPA_HAS_MCAST; ++ orig_initialized = test_bit(BATADV_ORIG_CAPA_HAS_MCAST, ++ &orig->capa_initialized); + + /* If mcast support is turned on decrease the disabled mcast node + * counter only if we had increased it for this node before. If this + * is a completely new orig_node no need to decrease the counter. + */ + if (orig_mcast_enabled && +- !(orig->capabilities & BATADV_ORIG_CAPA_HAS_MCAST)) { ++ !(test_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities))) { + if (orig_initialized) + atomic_dec(&bat_priv->mcast.num_disabled); + set_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities); +@@ -725,7 +726,7 @@ static void batadv_mcast_tvlv_ogm_handler_v1(struct batadv_priv *bat_priv, + * node counter. + */ + } else if (!orig_mcast_enabled && +- (orig->capabilities & BATADV_ORIG_CAPA_HAS_MCAST || ++ (test_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities) || + !orig_initialized)) { + atomic_inc(&bat_priv->mcast.num_disabled); + clear_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities); +@@ -774,8 +775,8 @@ void batadv_mcast_purge_orig(struct batadv_orig_node *orig) + + spin_lock_bh(&orig->mcast_handler_lock); + +- if (!(orig->capabilities & BATADV_ORIG_CAPA_HAS_MCAST) && +- orig->capa_initialized & BATADV_ORIG_CAPA_HAS_MCAST) ++ if (!(test_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capabilities)) && ++ test_bit(BATADV_ORIG_CAPA_HAS_MCAST, &orig->capa_initialized)) + atomic_dec(&bat_priv->mcast.num_disabled); + + batadv_mcast_want_unsnoop_update(bat_priv, orig, BATADV_NO_FLAGS); +diff --git a/types.h b/types.h +index 6f4486c..3baf595 100644 +--- a/types.h ++++ b/types.h +@@ -302,7 +302,7 @@ enum batadv_orig_capabilities { + BATADV_ORIG_CAPA_HAS_DAT, + BATADV_ORIG_CAPA_HAS_NC, + BATADV_ORIG_CAPA_HAS_TT, +- BATADV_ORIG_CAPA_HAS_MCAST = BIT(3), ++ BATADV_ORIG_CAPA_HAS_MCAST, + }; + + /** +-- +2.1.4 +