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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>
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1 changed files with 2 additions and 2 deletions
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@ -811,8 +811,8 @@ static u8 lowpan_compress_ctx_addr(u8 **hc_ptr, const struct in6_addr *ipaddr,
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goto out;
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}
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WARN_ON_ONCE("context found but no address mode matched\n");
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return -EINVAL;
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WARN_ONCE(1, "context found but no address mode matched\n");
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return LOWPAN_IPHC_DAM_00;
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out:
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if (sam)
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