4.9-stable patches

4.9-stable patches

added patches:
	cifs-fix-df-output-for-users-with-quota-limits.patch
	cifs-return-enametoolong-for-overlong-names-in-cifs_open-cifs_lookup.patch
	drm-atomic-if-the-atomic-check-fails-return-its-value-first.patch
	drm-rcar-du-fix-crash-in-encoder-failure-error-path.patch
	drm-rcar-du-fix-display-timing-controller-parameter.patch
	drm-rcar-du-fix-h-v-sync-signal-polarity-configuration.patch
	drm-release-driver-tracking-before-making-the-object-available-again.patch
	fork-fix-incorrect-fput-of-exe_file-causing-use-after-free.patch
	ftrace-check-for-null-ret_stack-on-profile-function-graph-entry-function.patch
	i2c-designware-fix-system-suspend.patch
	kbuild-linker-script-do-not-match-c-names-unless-ld_dead_code_data_elimination-is-configured.patch
	mm-madvise.c-fix-freeing-of-locked-page-with-madv_free.patch
	mm-memblock.c-reversed-logic-in-memblock_discard.patch
	net-sunrpc-svcsock-fix-null-pointer-exception.patch
	netfilter-nat-fix-src-map-lookup.patch
	nfsd-limit-end-of-page-list-when-decoding-nfsv4-write.patch
	perf-core-fix-group-cpu-task-validation.patch
	perf-probe-fix-funcs-to-show-correct-symbols-for-offline-module.patch
	perf-x86-intel-rapl-make-package-handling-more-robust.patch
	revert-leds-handle-suspend-resume-in-heartbeat-trigger.patch
	timers-fix-excessive-granularity-of-new-timers-after-a-nohz-idle.patch
	tracing-call-clear_boot_tracer-at-lateinit_sync.patch
	tracing-fix-freeing-of-filter-in-create_filter-when-set_str-is-false.patch
	tracing-fix-kmemleak-in-tracing_map_array_free.patch
	x86-mm-fix-use-after-free-of-ldt_struct.patch