llc: Fix race condition in llc_ui_recvmsg
Radu Iliescu authored

There is a race on sk_receive_queue between llc_ui_recvmsg and
sock_queue_rcv_skb.

Our current solution is to protect skb_eat in llc_ui_recvmsg
with the queue spinlock.
Signed-off-by: default avatarRadu Iliescu <riliescu@ixiacom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
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