Re: [PATCH bluetooth-next] mac802154: Avoid rtnl deadlock in mac802154_wpan_ioctl().

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Hi Lennert,

> ->ndo_do_ioctl() can be entered with the rtnl lock already held,
> for example when sending a wext ioctl to a device (in which case
> the rtnl lock is taken by wext_ioctl_dispatch()), but
> mac802154_wpan_ioctl() currently unconditionally takes the rtnl
> lock on entry, which can cause deadlocks.
> 
> To fix this, bail out of mac802154_wpan_ioctl() before taking the
> rtnl lock if the ioctl cmd is not one of the cmds we implement.
> 
> Signed-off-by: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx>
> Acked-by: Alexander Aring <alex.aring@xxxxxxxxx>
> ---
> net/mac802154/iface.c | 3 +++
> 1 file changed, 3 insertions(+)

patch has been applied to bluetooth-next tree.

Regards

Marcel

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