net: 6lowpan: fix reserved space for single frames
This patch fixes patch add handling to take care tail and headroom for single 6lowpan frames. We need to be sure we have a skb with the right head and tailroom for single frames. This patch do it by using skb_copy_expand() if head and tailroom is not enough allocated by upper layer. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=195059Reported-by: NDavid Palma <david.palma@ntnu.no> Reported-by: NRabi Narayan Sahoo <rabinarayans0828@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: NAlexander Aring <aring@mojatatu.com> Signed-off-by: NStefan Schmidt <stefan@datenfreihafen.org>
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