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authorEric Dumazet <edumazet@google.com>2014-02-10 11:42:35 -0800
committerDavid S. Miller <davem@davemloft.net>2014-02-10 17:51:29 -0800
commit20e7c4e80dcd01dad5e6c8b32455228b8fe9c619 (patch)
tree617d45db55bdf158b54a97f511e54d8e4387f8e7 /arch
parent3e5ccc29f71b5dfdfb81dac8c19372af83923b7f (diff)
downloadlinux-20e7c4e80dcd01dad5e6c8b32455228b8fe9c619.tar.bz2
6lowpan: fix lockdep splats
When a device ndo_start_xmit() calls again dev_queue_xmit(), lockdep can complain because dev_queue_xmit() is re-entered and the spinlocks protecting tx queues share a common lockdep class. Same issue was fixed for bonding/l2tp/ppp in commits 0daa2303028a6 ("[PATCH] bonding: lockdep annotation") 49ee49202b4ac ("bonding: set qdisc_tx_busylock to avoid LOCKDEP splat") 23d3b8bfb8eb2 ("net: qdisc busylock needs lockdep annotations ") 303c07db487be ("ppp: set qdisc_tx_busylock to avoid LOCKDEP splat ") Reported-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Tested-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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