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ieee802154: lowpan_header_create check must check daddr
authorWillem de Bruijn <willemb@google.com>
Sun, 23 Dec 2018 17:52:18 +0000 (12:52 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 9 Jan 2019 15:16:40 +0000 (16:16 +0100)
commit1a6cd598c82744db1cfd8524af977b4d4701a569
tree1da06ad55ed56f504a0c91515f40d092ffa11630tree | snapshot
parentb3ebeeb7efe0672e42b1b209fb22dbea69b7a8b9commit | diff
ieee802154: lowpan_header_create check must check daddr

[ Upstream commit 40c3ff6d5e0809505a067dd423c110c5658c478c ]

Packet sockets may call dev_header_parse with NULL daddr. Make
lowpan_header_ops.create fail.

Fixes: 87a93e4eceb4 ("ieee802154: change needed headroom/tailroom")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Alexander Aring <aring@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ieee802154/6lowpan/tx.c diff | blob | history
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