fs: configfs: don't return anything from drop_link

Documentation/filesystems/configfs/configfs.txt says:

"When unlink(2) is called on the symbolic link, the source item is
notified via the ->drop_l

fs: configfs: don't return anything from drop_link

Documentation/filesystems/configfs/configfs.txt says:

"When unlink(2) is called on the symbolic link, the source item is
notified via the ->drop_link() method. Like the ->drop_item() method,
this is a void function and cannot return failure."

The ->drop_item() is indeed a void function, the ->drop_link() is
actually not. This, together with the fact that the value of ->drop_link()
is silently ignored suggests, that it is the ->drop_link() return
type that should be corrected and changed to void.

This patch changes drop_link() signature and all its users.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
[hch: reverted reformatting of some code]
Signed-off-by: Christoph Hellwig <hch@lst.de>

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Merge branch 'topic/error' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-fixed

Merge branch 'drm-tda998x-mali' into drm-tda998x-devel

Merge tag 'v4.8' into next

Sync up with mainline to bring in I2C host notify changes and other
updates.

Merge tag 'drm-for-v4.9' into drm-intel-next-queued

It's been over two months, git definitely lost it's marbles. Conflicts
resolved by picking our version, plus manually checking the diff with
the p

Merge tag 'drm-for-v4.9' into drm-intel-next-queued

It's been over two months, git definitely lost it's marbles. Conflicts
resolved by picking our version, plus manually checking the diff with
the parent in drm-intel-next-queued to make sure git didn't do
anything stupid. It did, so I removed 2 occasions where it
double-inserted a bit of code. The diff is now just
- kernel-doc changes
- drm format/name changes
- display-info changes
so looks all reasonable.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

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Merge tag 'v4.9-rc3' into xtensa-for-next

Linux 4.9-rc3

Merge branches 'misc' and 'sa1111-base' into for-linus

Merge tag 'v4.8' into patchwork

Linux 4.8

* tag 'v4.8': (1761 commits)
Linux 4.8
ARM: 8618/1: decompressor: reset ttbcr fields to use TTBR0 on ARMv7
MIPS: CM: Fix mips_cm_max_vp_width for non

Merge tag 'v4.8' into patchwork

Linux 4.8

* tag 'v4.8': (1761 commits)
Linux 4.8
ARM: 8618/1: decompressor: reset ttbcr fields to use TTBR0 on ARMv7
MIPS: CM: Fix mips_cm_max_vp_width for non-MT kernels on MT systems
include/linux/property.h: fix typo/compile error
ocfs2: fix deadlock on mmapped page in ocfs2_write_begin_nolock()
mm: workingset: fix crash in shadow node shrinker caused by replace_page_cache_page()
MAINTAINERS: Switch to kernel.org email address for Javi Merino
x86/entry/64: Fix context tracking state warning when load_gs_index fails
x86/boot: Initialize FPU and X86_FEATURE_ALWAYS even if we don't have CPUID
x86/vdso: Fix building on big endian host
x86/boot: Fix another __read_cr4() case on 486
sctp: fix the issue sctp_diag uses lock_sock in rcu_read_lock
sctp: change to check peer prsctp_capable when using prsctp polices
sctp: remove prsctp_param from sctp_chunk
sctp: move sent_count to the memory hole in sctp_chunk
tg3: Avoid NULL pointer dereference in tg3_io_error_detected()
x86/init: Fix cr4_init_shadow() on CR4-less machines
MIPS: Fix detection of unsupported highmem with cache aliases
MIPS: Malta: Fix IOCU disable switch read for MIPS64
MIPS: Fix BUILD_ROLLBACK_PROLOGUE for microMIPS
...

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Merge tag 'v4.8-rc8' into drm-next

Linux 4.8-rc8

There was a lot of fallout in the imx/amdgpu/i915 drivers, so backmerge
it now to avoid troubles.

* tag 'v4.8-rc8': (1442 commits)
Linux 4.8-rc8

Merge tag 'v4.8-rc8' into drm-next

Linux 4.8-rc8

There was a lot of fallout in the imx/amdgpu/i915 drivers, so backmerge
it now to avoid troubles.

* tag 'v4.8-rc8': (1442 commits)
Linux 4.8-rc8
fault_in_multipages_readable() throws set-but-unused error
mm: check VMA flags to avoid invalid PROT_NONE NUMA balancing
radix tree: fix sibling entry handling in radix_tree_descend()
radix tree test suite: Test radix_tree_replace_slot() for multiorder entries
fix memory leaks in tracing_buffers_splice_read()
tracing: Move mutex to protect against resetting of seq data
MIPS: Fix delay slot emulation count in debugfs
MIPS: SMP: Fix possibility of deadlock when bringing CPUs online
mm: delete unnecessary and unsafe init_tlb_ubc()
huge tmpfs: fix Committed_AS leak
shmem: fix tmpfs to handle the huge= option properly
blk-mq: skip unmapped queues in blk_mq_alloc_request_hctx
MIPS: Fix pre-r6 emulation FPU initialisation
arm64: kgdb: handle read-only text / modules
arm64: Call numa_store_cpu_info() earlier.
locking/hung_task: Fix typo in CONFIG_DETECT_HUNG_TASK help text
nvme-rdma: only clear queue flags after successful connect
i2c: qup: skip qup_i2c_suspend if the device is already runtime suspended
perf/core: Limit matching exclusive events to one PMU
...

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Merge branch 'x86/urgent' into x86/apic

Bring in the upstream modifications so we can fixup the silent merge
conflict which is introduced by this merge.

Signed-off-by: Thomas Gleixner <tglx@linutro

Merge branch 'x86/urgent' into x86/apic

Bring in the upstream modifications so we can fixup the silent merge
conflict which is introduced by this merge.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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Merge tag 'v4.8-rc6' into devel

Linux 4.8-rc6

Merge branch 'locking/urgent' into locking/core, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

Merge branch 'linus' into x86/platform, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

Merge branches 'x86/amd', 'x86/vt-d', 'arm/exynos', 'arm/mediatek', 'arm/renesas' and 'arm/smmu' into next

Merge tag 'irqchip-4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core

Merge the first drop of irqchip updates for 4.9 from Marc Zyngier:

- ACPI IORT core code
-

Merge tag 'irqchip-4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core

Merge the first drop of irqchip updates for 4.9 from Marc Zyngier:

- ACPI IORT core code
- IORT support for the GICv3 ITS
- A few of GIC cleanups

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Merge tag 'asoc-fix-v4.8-rc4' into asoc-arizona

ASoC: Fixes for v4.8

A clutch of fixes for v4.8. These are mainly driver specific, the most
notable ones being those for OMAP which fix a series of

Merge tag 'asoc-fix-v4.8-rc4' into asoc-arizona

ASoC: Fixes for v4.8

A clutch of fixes for v4.8. These are mainly driver specific, the most
notable ones being those for OMAP which fix a series of issues that
broke boot on some platforms there when deferred probe kicked in.
There's also one core fix for an issue when unbinding a card which for
some reason had managed to not manifest until recently.

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Merge branch 'device-properties' into acpi-soc

Merge branch 'for-linus' into for-next

Back-merge from for-linus just to make the further development easier.

Merge tag 'kvm-s390-next-4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD

KVM: s390: features and fixes for 4.9

- lazy enablement of runtime instrumentation
- up to 2

Merge tag 'kvm-s390-next-4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD

KVM: s390: features and fixes for 4.9

- lazy enablement of runtime instrumentation
- up to 255 CPUs for nested guests
- rework of machine check deliver
- cleanups/fixes

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Merge branch 'master' into for-4.9

Merge branch 'sched/urgent' into sched/core, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

Merge branch 'perf/urgent' into perf/core, to pick up fixed and resolve conflicts

Conflicts:
kernel/events/core.c

Signed-off-by: Ingo Molnar <mingo@kernel.org>

Merge 4.8-rc5 into staging-next

We want the staging fixes in here as well to handle merge issues.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Merge 4.8-rc5 into tty-next

We want the fixes in here for merge issues.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Merge 4.8-rc5 into char-misc-next

We want the fixes in here for merging and testing.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>