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batman-adv: add patches from 2016.4-maint 2017-01-04 

* batman-adv: Decrease hardif refcnt on fragmentation send error

Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
This commit is contained in:
Sven Eckelmann 2017-01-30 14:37:37 +01:00
parent 438114cc26
commit 0e8b0976f5
2 changed files with 64 additions and 1 deletions
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2
batman-adv/Makefile
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@ -11,7 +11,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=batman-adv
PKG_VERSION:=2016.5
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_MD5SUM:=6717a933a08dd2a01b00df30cb9f16a8
PKG_HASH:=d0a0fc90c4f410b57d043215e253bb0b855efa5edbe165d87c17bfdcfafd0db7

63
batman-adv/patches/0002-batman-adv-Decrease-hardif-refcnt-on-fragmentation-s.patch Normal file
View File

@ -0,0 +1,63 @@
From: Sven Eckelmann <sven@narfation.org>
Date: Tue, 27 Dec 2016 08:51:17 +0100
Subject: [PATCH] batman-adv: Decrease hardif refcnt on fragmentation send error
An error before the hardif is found has to free the skb. But every error
after that has to free the skb + put the hard interface.
Fixes: 8b4132b1447a ("batman-adv: Consume skb in batadv_frag_send_packet")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
---
net/batman-adv/fragmentation.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index 9c561e6..0854ebd 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -474,7 +474,7 @@ int batadv_frag_send_packet(struct sk_buff *skb,
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if) {
ret = -EINVAL;
- goto put_primary_if;
+ goto free_skb;
}
/* Create one header to be copied to all fragments */
@@ -502,7 +502,7 @@ int batadv_frag_send_packet(struct sk_buff *skb,
skb_fragment = batadv_frag_create(skb, &frag_header, mtu);
if (!skb_fragment) {
ret = -ENOMEM;
- goto free_skb;
+ goto put_primary_if;
}
batadv_inc_counter(bat_priv, BATADV_CNT_FRAG_TX);
@@ -511,7 +511,7 @@ int batadv_frag_send_packet(struct sk_buff *skb,
ret = batadv_send_unicast_skb(skb_fragment, neigh_node);
if (ret != NET_XMIT_SUCCESS) {
ret = NET_XMIT_DROP;
- goto free_skb;
+ goto put_primary_if;
}
frag_header.no++;
@@ -519,7 +519,7 @@ int batadv_frag_send_packet(struct sk_buff *skb,
/* The initial check in this function should cover this case */
if (frag_header.no == BATADV_FRAG_MAX_FRAGMENTS - 1) {
ret = -EINVAL;
- goto free_skb;
+ goto put_primary_if;
}
}
@@ -527,7 +527,7 @@ int batadv_frag_send_packet(struct sk_buff *skb,
if (batadv_skb_head_push(skb, header_size) < 0 ||
pskb_expand_head(skb, header_size + ETH_HLEN, 0, GFP_ATOMIC) < 0) {
ret = -ENOMEM;
- goto free_skb;
+ goto put_primary_if;
}
memcpy(skb->data, &frag_header, header_size);