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2018-05-16tty: replace ->proc_fops with ->proc_showChristoph Hellwig
Just set up the show callback in the tty_operations, and use proc_create_single_data to create the file without additional boilerplace code. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ide: replace ->proc_fops with ->proc_showChristoph Hellwig
Just set up the show callback in the tty_operations, and use proc_create_single_data to create the file without additional boilerplace code. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ide: remove ide_driver_proc_writeChristoph Hellwig
The driver proc file hasn't been writeable for a long time, so this is just dead code. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
2018-05-16isdn: replace ->proc_fops with ->proc_showChristoph Hellwig
And switch to proc_create_single_data. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16atm: switch to proc_create_seq_privateChristoph Hellwig
And remove proc boilerplate code. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16atm: simplify procfs codeChristoph Hellwig
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Also don't bother handling proc_create* failures - the driver works perfectly fine without the proc files, and the cleanup will handle missing files gracefully. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16bluetooth: switch to proc_create_seq_dataChristoph Hellwig
And use proc private data directly instead of doing a detour through seq->private and private state. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16netfilter/x_tables: switch to proc_create_seq_privateChristoph Hellwig
And remove proc boilerplate code. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16netfilter/xt_hashlimit: switch to proc_create_{seq,single}_dataChristoph Hellwig
And use proc private data directly instead of doing a detour through seq->private. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16neigh: switch to proc_create_seq_dataChristoph Hellwig
And use proc private data directly instead of doing a detour through seq->private. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16hostap: switch to proc_create_{seq,single}_dataChristoph Hellwig
And use proc private data directly instead of doing a detour through seq->private. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16bonding: switch to proc_create_seq_dataChristoph Hellwig
And use proc private data directly instead of doing a detour through seq->private. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16rtc/proc: switch to proc_create_single_dataChristoph Hellwig
And stop trying to get a reference on the submodule, procfs code deals with release after an unloaded module and thus removed proc entry. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-05-16drbd: switch to proc_create_singleChristoph Hellwig
And stop messing with try_module_get on THIS_MODULE, which doesn't make any sense here. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16resource: switch to proc_create_seq_dataChristoph Hellwig
And use the root resource directly from the proc private data. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16staging/rtl8192u: simplify procfs codeChristoph Hellwig
Unwind the registration loop into individual calls. Switch to use proc_create_single where applicable. Also don't bother handling proc_create* failures - the driver works perfectly fine without the proc files, and the cleanup will handle missing files gracefully. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16jfs: simplify procfs codeChristoph Hellwig
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ext4: simplify procfs codeChristoph Hellwig
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16afs: simplify procfs codeChristoph Hellwig
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16sg: simplify procfs codeChristoph Hellwig
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Also don't bother handling proc_create* failures - the driver works perfectly fine without the proc files, and the cleanup will handle missing files gracefully. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16megaraid: simplify procfs codeChristoph Hellwig
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_single. Also don't bother handling proc_create* failures - the driver works perfectly fine without the proc files, and the cleanup will handle missing files gracefully. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16sgi-gru: simplify procfs codeChristoph Hellwig
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16acpi/battery: simplify procfs codeChristoph Hellwig
Use remove_proc_subtree to remove the whole subtree on cleanup, and unwind the registration loop into individual calls. Switch to use proc_create_seq where applicable. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-05-16proc: introduce proc_create_net_singleChristoph Hellwig
Variant of proc_create_data that directly take a seq_file show callback and deals with network namespaces in ->open and ->release. All callers of proc_create + single_open_net converted over, and single_{open,release}_net are removed entirely. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: introduce proc_create_net{,_data}Christoph Hellwig
Variants of proc_create{,_data} that directly take a struct seq_operations and deal with network namespaces in ->open and ->release. All callers of proc_create + seq_open_net converted over, and seq_{open,release}_net are removed entirely. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16net: move seq_file_single_net to <linux/seq_file_net.h>Christoph Hellwig
This helper deals with single_{open,release}_net internals and thus belongs here. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16netfilter/x_tables: simplify ѕeq_file codeChristoph Hellwig
Just use the address family from the proc private data instead of copying it into per-file data. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16net/kcm: simplify proc registrationChristoph Hellwig
Remove a couple indirections to make the code look like most other protocols. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ipv6/flowlabel: simplify pid namespace lookupChristoph Hellwig
The code should be using the pid namespace from the procfs mount instead of trying to look it up during open. Suggested-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ipv{4,6}/raw: simplify ѕeq_file codeChristoph Hellwig
Pass the hashtable to the proc private data instead of copying it into the per-file private data. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ipv{4,6}/ping: simplify proc file creationChristoph Hellwig
Remove the pointless ping_seq_afinfo indirection and make the code look like most other protocols. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ipv{4,6}/tcp: simplify procfs registrationChristoph Hellwig
Avoid most of the afinfo indirections and just call the proc helpers directly. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16ipv{4,6}/udp{,lite}: simplify proc registrationChristoph Hellwig
Remove a couple indirections to make the code look like most other protocols. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: introduce proc_create_single{,_data}Christoph Hellwig
Variants of proc_create{,_data} that directly take a seq_file show callback and drastically reduces the boilerplate code in the callers. All trivial callers converted over. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: introduce proc_create_seq_privateChristoph Hellwig
Variant of proc_create_data that directly take a struct seq_operations argument + a private state size and drastically reduces the boilerplate code in the callers. All trivial callers converted over. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: introduce proc_create_seq{,_data}Christoph Hellwig
Variants of proc_create{,_data} that directly take a struct seq_operations argument and drastically reduces the boilerplate code in the callers. All trivial callers converted over. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: add a proc_create_reg helperChristoph Hellwig
Common code for creating a regular file. Factor out of proc_create_data, to be reused by other functions soon. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: simplify proc_register calling conventionsChristoph Hellwig
Return registered entry on success, return NULL on failure and free the passed in entry. Also expose it in internal.h as we'll start using it in proc_net.c soon. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: don't detour through seq->private to get the inodeChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-16proc: introduce a proc_pid_ns helperChristoph Hellwig
Factor out retrieving the per-sb pid namespaces from the sb private data into an easier to understand helper. Suggested-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-14net/can: single_open_net needs to be paired with single_release_netChristoph Hellwig
Otherwise we will leak a reference to the network namespace. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-13Linux 4.17-rc5v4.17-rc5Linus Torvalds
2018-05-13Merge branch 'x86-pti-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86/pti updates from Thomas Gleixner: "A mixed bag of fixes and updates for the ghosts which are hunting us. The scheduler fixes have been pulled into that branch to avoid conflicts. - A set of fixes to address a khread_parkme() race which caused lost wakeups and loss of state. - A deadlock fix for stop_machine() solved by moving the wakeups outside of the stopper_lock held region. - A set of Spectre V1 array access restrictions. The possible problematic spots were discuvered by Dan Carpenters new checks in smatch. - Removal of an unused file which was forgotten when the rest of that functionality was removed" * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/vdso: Remove unused file perf/x86/cstate: Fix possible Spectre-v1 indexing for pkg_msr perf/x86/msr: Fix possible Spectre-v1 indexing in the MSR driver perf/x86: Fix possible Spectre-v1 indexing for x86_pmu::event_map() perf/x86: Fix possible Spectre-v1 indexing for hw_perf_event cache_* perf/core: Fix possible Spectre-v1 indexing for ->aux_pages[] sched/autogroup: Fix possible Spectre-v1 indexing for sched_prio_to_weight[] sched/core: Fix possible Spectre-v1 indexing for sched_prio_to_weight[] sched/core: Introduce set_special_state() kthread, sched/wait: Fix kthread_parkme() completion issue kthread, sched/wait: Fix kthread_parkme() wait-loop sched/fair: Fix the update of blocked load when newly idle stop_machine, sched: Fix migrate_swap() vs. active_balance() deadlock
2018-05-13Merge branch 'sched-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fix from Thomas Gleixner: "Revert the new NUMA aware placement approach which turned out to create more problems than it solved" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: Revert "sched/numa: Delay retrying placement for automatic NUMA balance after wake_affine()"
2018-05-13Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf tooling fixes from Thomas Gleixner: "Another small set of perf tooling fixes and updates: - Revert "perf pmu: Fix pmu events parsing rule", as it broke Intel PT event description parsing (Arnaldo Carvalho de Melo) - Sync x86's cpufeatures.h and kvm UAPI headers with the kernel sources, suppressing the ABI drift warnings (Arnaldo Carvalho de Melo) - Remove duplicated entry for westmereep-dp in Intel's mapfile.csv (William Cohen) - Fix typo in 'perf bench numa' options description (Yisheng Xie)" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: Revert "perf pmu: Fix pmu events parsing rule" tools headers kvm: Sync ARM UAPI headers with the kernel sources tools headers kvm: Sync uapi/linux/kvm.h with the kernel sources tools headers: Sync x86 cpufeatures.h with the kernel sources perf vendor events intel: Remove duplicated entry for westmereep-dp in mapfile.csv perf bench numa: Fix typo in options
2018-05-13Merge tag 'dma-mapping-4.17-5' of git://git.infradead.org/users/hch/dma-mappingLinus Torvalds
Pull dma-mapping fix from Christoph Hellwig: "Just one little fix from Jean to avoid a harmless but very annoying warning, especially for the drm code" * tag 'dma-mapping-4.17-5' of git://git.infradead.org/users/hch/dma-mapping: swiotlb: silent unwanted warning "buffer is full"
2018-05-12Merge tag '4.17-rc4-SMB3-Fixes' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds
Pull cifs fixes from Steve French: "Some small SMB3 fixes for 4.17-rc5, some for stable" * tag '4.17-rc4-SMB3-Fixes' of git://git.samba.org/sfrench/cifs-2.6: smb3: directory sync should not return an error cifs: smb2ops: Fix listxattr() when there are no EAs cifs: smbd: Enable signing with smbdirect cifs: Allocate validate negotiation request through kmalloc
2018-05-12Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux Pull thermal fixes from Zhang Rui: - fix NULL pointer dereference on module load/probe for int3403_thermal driver - fix an emergency shutdown issue on exynos thermal driver * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: thermal: exynos: Propagate error value from tmu_read() thermal: exynos: Reading temperature makes sense only when TMU is turned on thermal: int3403_thermal: Fix NULL pointer deref on module load / probe
2018-05-12Merge tag 'for-linus-20180511' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block fixes from Jens Axboe: "Just a few NVMe fixes this round - one fixing a use-after-free, one fixes the return value after controller reset, and the last one fixes an issue where some drives will spuriously EIO. We should get these into 4.17" * tag 'for-linus-20180511' of git://git.kernel.dk/linux-block: nvme: add quirk to force medium priority for SQ creation nvme: Fix sync controller reset return nvme: fix use-after-free in nvme_free_ns_head
2018-05-12swiotlb: silent unwanted warning "buffer is full"Jean Delvare
If DMA_ATTR_NO_WARN is passed to swiotlb_alloc_buffer(), it should be passed further down to swiotlb_tbl_map_single(). Otherwise we escape half of the warnings but still log the other half. This is one of the multiple causes of spurious warnings reported at: https://bugs.freedesktop.org/show_bug.cgi?id=104082 Signed-off-by: Jean Delvare <jdelvare@suse.de> Fixes: 0176adb00406 ("swiotlb: refactor coherent buffer allocation") Cc: Christoph Hellwig <hch@lst.de> Cc: Christian König <christian.koenig@amd.com> Cc: Michel Dänzer <michel@daenzer.net> Cc: Takashi Iwai <tiwai@suse.de> Cc: stable@vger.kernel.org # v4.16