[PATCH 2/2] Phonet: do not reply to indication reset packets
From: Remi Denis-Courmont <hidden>
Date: 2008-10-24 15:06:00
From: Remi Denis-Courmont <redacted> This fixes a potential error packet loop. Signed-off-by: Remi Denis-Courmont <redacted> --- include/linux/phonet.h | 1 + net/phonet/af_phonet.c | 5 ++++- 2 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/include/linux/phonet.h b/include/linux/phonet.h
index c9609f9..4157faa 100644
--- a/include/linux/phonet.h
+++ b/include/linux/phonet.h@@ -72,6 +72,7 @@ struct phonetmsg { } pn_msg_u; }; #define PN_COMMON_MESSAGE 0xF0 +#define PN_COMMGR 0x10 #define PN_PREFIX 0xE0 /* resource for extended messages */ #define pn_submsg_id pn_msg_u.base.pn_submsg_id #define pn_e_submsg_id pn_msg_u.ext.pn_e_submsg_id
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index b9d97ef..defeb7a 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c@@ -261,6 +261,8 @@ static inline int can_respond(struct sk_buff *skb) return 0; /* we are not the destination */ if (ph->pn_res == PN_PREFIX && !pskb_may_pull(skb, 5)) return 0; + if (ph->pn_res == PN_COMMGR) /* indications */ + return 0; ph = pn_hdr(skb); /* re-acquires the pointer */ pm = pn_msg(skb);
@@ -309,7 +311,8 @@ static int send_reset_indications(struct sk_buff *rskb) return pn_raw_send(data, sizeof(data), rskb->dev, pn_object(oph->pn_sdev, 0x00), - pn_object(oph->pn_rdev, oph->pn_robj), 0x10); + pn_object(oph->pn_rdev, oph->pn_robj), + PN_COMMGR); }
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1.5.4.3