Commit 2306f656 authored Feb 26, 2016 by Alexander Aring Committed by Marcel Holtmann Feb 26, 2016

6lowpan: iphc: fix invalid case handling



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 <dan.carpenter@oracle.com>
Signed-off-by: Alexander Aring <aar@pengutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

parent 395174bb

net/6lowpan/iphc.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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;
		out:

		if (sam)

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