ppp: remove unnecessary bh disable in xmit path
Since the commit 55454a56 ("ppp: avoid dealock on recursive xmit"), the PPP xmit path is protected by wrapper functions which disable the bh already. So it is unnecessary to disable the bh again in the real xmit path. Signed-off-by: Gao Feng <gfree.wind@vip.163.com> Acked-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
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