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cd3e29b333
l2tp_tunnel_closeall is only called from l2tp_core.c, and it's easy to statically analyse the code path calling it to validate that it should never be passed a NULL tunnel pointer. Having a BUG_ON checking the tunnel pointer triggers a checkpatch warning. Since the BUG_ON is of no value, remove it to avoid the warning. Signed-off-by: Tom Parkin <tparkin@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net>