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@xxxxxxxxxx>
Signed-off-by: Alexander Aring <aar@xxxxxxxxxxxxxx>
---
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;
out:
if (sam)
--
2.7.1
--
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