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From: Alexander Aring <>
Cc:,,, Alexander Aring <>
Subject: [PATCH bluetooth-next] 6lowpan: iphc: fix invalid case handling
Date: Fri, 26 Feb 2016 09:06:07 +0100	[thread overview]
Message-ID: <> (raw)

This patch fixes the return value in a case which should never occur.
Instead returning "-EINVAL" we return LOWPAN_IPHC_DAM_00 which is
invalid on context based addresses. Also change the WARN_ON_ONCE to
WARN_ONCE which was suggested by Dan Carpenter.

Reported-by: Dan Carpenter <>
Signed-off-by: Alexander Aring <>
 net/6lowpan/iphc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/6lowpan/iphc.c b/net/6lowpan/iphc.c
index 06287ac..7217251 100644
--- a/net/6lowpan/iphc.c
+++ b/net/6lowpan/iphc.c
@@ -811,8 +811,8 @@ static u8 lowpan_compress_ctx_addr(u8 **hc_ptr, const struct in6_addr *ipaddr,
 		goto out;
-	WARN_ON_ONCE("context found but no address mode matched\n");
-	return -EINVAL;
+	WARN_ONCE(1, "context found but no address mode matched\n");
+	return LOWPAN_IPHC_DAM_00;
 	if (sam)

             reply	other threads:[~2016-02-26  8:06 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-26  8:06 Alexander Aring [this message]
2016-02-26  8:12 ` Marcel Holtmann

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