[stable] Security fixes

Ben Hutchings
2018-01-31T16:39:33Z

Please queue up the following fixes for stable:

[all]
3d932ee27e85 media: dvb-usb-v2: lmedm04: Improve logic checking of warm start
7bf7a7116ed3 media: dvb-usb-v2: lmedm04: move ts2020 attach to dm04_lme2510_tuner
[4.9 4.14 4.15]
c0f71bbb8102 media: hdpvr: Fix an error handling path in hdpvr_probe()
[4.4 4.9 4.14]
ae6650163c66 loop: fix concurrent lo_open/lo_release

Ben.

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Ben Hutchings
Software Developer, Codethink Ltd.