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This always bugged me: dev_ioctl() called dev_ifsioc() either inside read_lock(dev_base_lock) or rtnl_lock(), depending on the ioctl being executed. This change moves the ioctls executed inside dev_base_lock to a new function, dev_ifsioc_locked(). Now the locking context is completely clear to the reader. Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>