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2017-02-28drm: Introduce drm_property_blob_{get,put}()Thierry Reding
For consistency with other reference counting APIs in the kernel, add drm_property_blob_get() and drm_property_blob_put() to reference count DRM blob properties. Compatibility aliases are added to keep existing code working. To help speed up the transition, all the instances of the old functions in the DRM core are already replaced in this commit. A semantic patch is provided that can be used to convert all drivers to the new helpers. Reviewed-by: Sean Paul <seanpaul@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170228144643.5668-7-thierry.reding@gmail.com
2017-02-28drm: Introduce drm_gem_object_{get,put}()Thierry Reding
For consistency with other reference counting APIs in the kernel, add drm_gem_object_get() and drm_gem_object_put(), as well as an unlocked variant of the latter, to reference count GEM buffer objects. Compatibility aliases are added to keep existing code working. To help speed up the transition, all the instances of the old functions in the DRM core are already replaced in this commit. The existing semantic patch for the DRM subsystem-wide conversion is extended to account for these new helpers. Reviewed-by: Sean Paul <seanpaul@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170228144643.5668-6-thierry.reding@gmail.com
2017-02-28drm: Introduce drm_framebuffer_{get,put}()Thierry Reding
For consistency with other reference counting APIs in the kernel, add drm_framebuffer_get() and drm_framebuffer_put() to reference count DRM framebuffers. Compatibility aliases are added to keep existing code working. To help speed up the transition, all the instances of the old functions in the DRM core are already replaced in this commit. The existing semantic patch for the DRM subsystem-wide conversion is extended to account for these new helpers. Reviewed-by: Sean Paul <seanpaul@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170228144643.5668-5-thierry.reding@gmail.com
2017-02-28drm: Introduce drm_connector_{get,put}()Thierry Reding
For consistency with other reference counting APIs in the kernel, add drm_connector_get() and drm_connector_put() functions to reference count connectors. Compatibility aliases are added to keep existing code working. To help speed up the transition, all the instances of the old functions in the DRM core are already replaced in this commit. The existing semantic patch for mode object reference count conversion is extended for these new helpers. Reviewed-by: Sean Paul <seanpaul@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170228144643.5668-4-thierry.reding@gmail.com
2017-02-28drm: Introduce drm_mode_object_{get,put}()Thierry Reding
For consistency with other reference counting APIs in the kernel, add drm_mode_object_get() and drm_mode_object_put() to reference count DRM mode objects. Compatibility aliases are added to keep existing code working. To help speed up the transition, all the instances of the old functions in the DRM core are already replaced in this commit. A semantic patch is provided that can be used to convert all drivers to the new helpers. Reviewed-by: Sean Paul <seanpaul@chromium.org> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170228144643.5668-3-thierry.reding@gmail.com
2016-12-11Coccinelle: misc: Add support for devm variant in all modesVaishali Thakkar
Add missing support for the devm_request_threaded_irq in the rules of context, report and org modes. Misc: ---- To be consistent with other scripts, change confidence level of the script to 'Moderate'. Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-12-11Coccinelle: misc: Improve the result given by context modeVaishali Thakkar
To eliminate false positives given by the context mode, add necessary arguments for the function request_threaded_irq. Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-12-11Coccinelle: misc: Improve the matching of rulesVaishali Thakkar
Currently because of the left associativity of the operators, pattern IRQF_ONESHOT | flags does not match with the pattern when we have more than one flag after the disjunction. This eventually results in giving false positives by the script. This patch eliminates these FPs by improving the rule. Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-12-11Coccinelle: Add misc/boolconv.cocciAndrew F. Davis
Add a script to check for unneeded conversions to bool. Signed-off-by: Andrew F. Davis <afd@ti.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-10-11Coccinelle: flag conditions with no effectNicholas Mc Guire
Report code constructs where the if and else branch are functionally identical. In cases where this is intended it really should be documented - most reported cases probably are bugs. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-10-01Coccinelle: pm_runtime: ensure relevance of pm_runtime reportsJulia Lawall
pm_runtime.cocci starts with one rule that searches for a variety of functions calls, followed by various rules that report errors. Previously, the only connection between the first rule and the rest was to check that the first rule had matched somewhere. Change the rules to propagate a position from the first rule to the others, to make sure that the sites reported on are the same as the sites that were identified as having the relevant functions. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-10-01Coccinelle: limit memdup_user transformation to GFP_KERNEL caseJulia Lawall
Memdup_user encapsulates a memory allocation with the flag GFP_KERNEL, so only allow this flag in the original code. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-07-22scripts/coccinelle: require coccinelle >= 1.0.4 on device_node_continue.cocciLuis R. Rodriguez
Make use of the new Requires: tag to be able to specify coccinelle binary version requirements. The cocci file device_node_continue.cocci requires at least coccinelle 1.0.4. Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Acked-by: Nicolas Palix <nicolas.palix@imag.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-06-21coccinelle: catch krealloc() on devm_*() allocated memoryYann Droneaud
krealloc() must not be used against devm_*() allocated memory regions: - if a bigger memory is to be allocated, krealloc() and __krealloc() could return a different pointer than the one given to them, creating a memory region which is not managed, thus it will not be automatically released on device removal. - if a bigger memory is to be allocated, krealloc() could kfree() the managed memory region which is passed to it. The old pointer is left registered as a resource for the device. On device removal, this dangling pointer will be used and an unrelated memory region could be released. - if the requested size is equal to 0, krealloc() can also just behave like kfree(). Here too, the old pointer is kept associated with the device. On device removal, this invalid pointer will be used and an unrelated memory region could be released. For all these reasons, krealloc() must not be used on a pointer returned by devm_*() functions. Cc: Tejun Heo <tj@kernel.org> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Yann Droneaud <ydroneaud@opteya.com> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-06-21coccinelle: recognize more devm_* memory allocation functionsYann Droneaud
Updates free/devm_free.cocci to recognize functions added by: - commit 64c862a839a8 ('devres: add kernel standard devm_k.alloc functions') - commit e31108cad3de ('devres: introduce API "devm_kstrdup"') - commit 3046365bb470 ('devres: introduce API "devm_kmemdup') - commit 43339bed7010 ('devres: Add devm_get_free_pages API') - commit 75f2a4ead5d5 ('devres: Add devm_kasprintf and devm_kvasprintf API') See also Documentation/driver-model/devres.txt Cc: Joe Perches <joe@perches.com> Cc: Manish Badarkhe <badarkhe.manish@gmail.com> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Cc: Eli Billauer <eli.billauer@gmail.com> Cc: Himangi Saraogi <himangi774@gmail.com> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Wolfram Sang <w.sang@pengutronix.de> Cc: Daniel Thompson <daniel.thompson@linaro.org> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Yann Droneaud <ydroneaud@opteya.com> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-06-21coccinelle: also catch kzfree() issuesYann Droneaud
Since commit 3ef0e5ba4673 ('slab: introduce kzfree()'), kfree() is no more the only function to be considered: kzfree() should be recognized too. In particular, kzfree() must not be called on memory allocated through devm_*() functions. Cc: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Yann Droneaud <ydroneaud@opteya.com> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-06-20Coccinelle: noderef: Add new rules and correct the old ruleVaishali Thakkar
Add new rules to detect the cases where sizeof is used in function calls as a argument. Also, for the patch mode third rule should behave same as second rule with arguments reversed. So, change that as well. Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-05-26Merge branch 'misc' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull misc kbuild updates from Michal Marek: "This is the non-critical part of kbuild: - Coccinelle fixes, one semantic patch less in this round [Vaishali Thakkar, Wolfram Sang, Kees Cook] - rpm-pkg support for (open)SUSE's update-bootloader [Jiří Kosian] - rpm-pkg restored support for $RPMOPTS [Srinivas Pandruvada] - deb-pkg fixes for the linux-headers package [Bjørn Mork, Azriel Samson]" * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: coccicheck: Fix missing 0 index in kill loop scripts/package/Makefile: rpmbuild add support of RPMOPTS builddeb: fix missing headers in linux-headers package builddeb: include objtool binary in headers package kbuild/mkspec: support 'update-bootloader'-based systems scripts: coccinelle: remove check to move constants to right Coccinelle: setup_timer: Add space in front of parentheses
2016-04-20scripts: coccinelle: remove check to move constants to rightWolfram Sang
The header mentions this check depends on personal taste. I agree. Running coccicheck on patches before I apply them, this SmPL produced enough false positives for me that I'd rather see it removed. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-04-20Coccinelle: setup_timer: Add space in front of parenthesesVaishali Thakkar
Add space in front of the offending parentheses to silent the parse error for older Coccinelle versions. This makes the rule usable with all Coccinelle versions. Reported-by: Nishanth Menon <nm@ti.com> Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Fixes: c5eda8fd10c6 ("Coccinelle: Add api/setup_timer.cocci") Signed-off-by: Michal Marek <mmarek@suse.com>
2016-04-12debugfs, coccinelle: check for obsolete DEFINE_SIMPLE_ATTRIBUTE() usageNicolai Stange
In order to protect against file removal races, debugfs files created via debugfs_create_file() now get wrapped by a struct file_operations at their opening. If the original struct file_operations are known to be safe against removal races by themselves already, the proxy creation may be bypassed by creating the files through debugfs_create_file_unsafe(). In order to help debugfs users who use the common DEFINE_SIMPLE_ATTRIBUTE() + debugfs_create_file() idiom to transition to removal safe struct file_operations, the helper macro DEFINE_DEBUGFS_ATTRIBUTE() has been introduced. Thus, the preferred strategy is to use DEFINE_DEBUGFS_ATTRIBUTE() + debugfs_create_file_unsafe() now. Introduce a Coccinelle script that searches for DEFINE_SIMPLE_ATTRIBUTE()-defined struct file_operations handed into debugfs_create_file(). Suggest to turn these usages into the DEFINE_DEBUGFS_ATTRIBUTE() + debugfs_create_file_unsafe() pattern. Signed-off-by: Nicolai Stange <nicstange@gmail.com> Acked-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-18Coccinelle: Add api/setup_timer.cocciVaishali Thakkar
Use the timer API function setup_timer instead of structure field assignments to initialize a timer. Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-02-18coccinelle: bugon: reduce rule applicabilityJulia Lawall
Rule r is only use in org or report mode, so only execute it in those cases. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-02-18Coccinelle: pm_runtime: reduce rule applicabilityJulia Lawall
Rule r is only used in org or report mode, so only execute it in those cases. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-02-18Coccinelle: array_size: reduce rule applicabilityJulia Lawall
Rule r is only use in org or report mode, so only execute it in those cases. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-02-18Coccinelle: reduce rule applicabilityJulia Lawall
Rule r is only use in org or report mode, so only execute it in those cases. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2016-02-18scripts/coccinelle: modernize &Julia Lawall
& is no longer allowed in column 0, since Coccinelle 1.0.4. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Tested-by: Nishanth Menon <nm@ti.com> Cc: stable@vger.kernel.org Signed-off-by: Michal Marek <mmarek@suse.com>
2016-01-12coccinelle: tests: unsigned value cannot be lesser than zeroAndrzej Hajda
Unsigned expressions cannot be lesser than zero. Presence of comparisons 'unsigned (<|<=|>|>=) 0' often indicates a bug, usually wrong type of variable. The patch beside finding such comparisons tries to eliminate false positives, mainly by bypassing range checks. gcc can detect such comparisons also using -Wtype-limits switch, but it warns also in correct cases, making too much noise. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2015-10-26coccinelle: Improve checking for missing NULL terminatorsDaniel Granat
Extend checking on tables containing structures which are initialized without specifying member name. Added new tables for checking: i2c_device_id and platform_device_id. Signed-off-by: Daniel Granat <d.granat@samsung.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-10-26coccinelle: ifnullfree: handle various destroy functionsJulia Lawall
Extend ifnullfree to the various destroy functions that were recently extended to tolerate NULL arguments. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-10-26coccinelle: ifnullfree: various cleanupsJulia Lawall
Adjust tests to compare against NULL, to match cases that explicitly make that comparison. Remove removal and re-addition of freeing functions. Add position variable on usb_free_urb in the non-patch case. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-10-26cocinelle: iterators: semantic patch to delete unneeded of_node_putJulia Lawall
Device node iterators perform an of_node_put on each iteration, so putting an of_node_put before a continue results in a double put. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-10-26scripts/coccinelle: fix typosJulia Lawall
Fix a couple spelling mistakes. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-10-26coccinelle: misc: remove "complex return code" warningsJohan Hovold
This effectively reverts 932058a5d5f9 ("coccinelle: misc: semantic patch to delete overly complex return code processing"). There can be both symmetry and readability reasons for not wanting to do the final function call as part of the return statement and to maintain a clear separation of success and error paths. Since this is in no way mandated by the coding standard, let's just remove this semantic patch to avoid having "clean up" patches being posted over and over in response to these Coccinelle warnings. Signed-off-by: Johan Hovold <johan@kernel.org> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-10-26coccinelle: tests: improve odd_ptr_err.cocciJulia Lawall
The original version only considered the case where the then branch contains only one call to PTR_ERR. Reimplement the whole thing to allow multiple calls, with potentially different arguments. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-10-26coccinelle: misc: move constants to the rightJulia Lawall
Move constants to the right in binary operators. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2015-09-08Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Merge second patch-bomb from Andrew Morton: "Almost all of the rest of MM. There was an unusually large amount of MM material this time" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (141 commits) zpool: remove no-op module init/exit mm: zbud: constify the zbud_ops mm: zpool: constify the zpool_ops mm: swap: zswap: maybe_preload & refactoring zram: unify error reporting zsmalloc: remove null check from destroy_handle_cache() zsmalloc: do not take class lock in zs_shrinker_count() zsmalloc: use class->pages_per_zspage zsmalloc: consider ZS_ALMOST_FULL as migrate source zsmalloc: partial page ordering within a fullness_list zsmalloc: use shrinker to trigger auto-compaction zsmalloc: account the number of compacted pages zsmalloc/zram: introduce zs_pool_stats api zsmalloc: cosmetic compaction code adjustments zsmalloc: introduce zs_can_compact() function zsmalloc: always keep per-class stats zsmalloc: drop unused variable `nr_to_migrate' mm/memblock.c: fix comment in __next_mem_range() mm/page_alloc.c: fix type information of memoryless node memory-hotplug: fix comments in zone_spanned_pages_in_node() and zone_spanned_pages_in_node() ...
2015-09-08coccinelle: mm: scripts/coccinelle/api/alloc/pool_zalloc-simple.cocciSean O. Stalley
add [pci|dma]_pool_zalloc coccinelle check. replaces instances of [pci|dma]_pool_alloc() followed by memset(0) with [pci|dma]_pool_zalloc(). Signed-off-by: Sean O. Stalley <sean.stalley@intel.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Cc: Vinod Koul <vinod.koul@intel.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Gilles Muller <Gilles.Muller@lip6.fr> Cc: Nicolas Palix <nicolas.palix@imag.fr> Cc: Michal Marek <mmarek@suse.cz> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-08-19coccinelle: api: extend spatch for dropping unnecessary ownerKrzysztof Kozlowski
i2c_add_driver (through i2c_register_driver) sets the owner field so we can drop it also from i2c drivers, just like from platform drivers. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
2015-06-03coccinelle: simple_return: Add a blank lineFabio Estevam
Insert a blank line in order to improve the readability of the generated patch and also make it consistent with the other .cocci files. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-05-25coccinelle: irqf_oneshot.cocci: Improve the generated commit logFabio Estevam
Improve the commit log of the generated patch by mentioning the commit log that makes threaded IRQs without a primary handler to be requested with the IRQF_ONESHOT flag. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked- by: Valentin Rothberg <valentinrothberg@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-05-21coccinelle: api: add vma_pages.cocciDmitry Kalinkin
This semantic patch replaces explicit computations of vma page count with explicit function call. Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-05-21scripts/coccinelle/misc/irqf_oneshot.cocci: Fix grammarFabio Estevam
Correct form is 'always requested'. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-05-21scripts/coccinelle/misc/semicolon.cocci: Use imperative moodFabio Estevam
According to Documentation/SubmittingPatches: "Describe your changes in imperative mood, e.g. "make xyzzy do frotz" instead of "[This patch] makes xyzzy do frotz" or "[I] changed xyzzy to do frotz", as if you are giving orders to the codebase to change its behaviour. So do as recommended. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-05-20coccinelle: simple_open: Use imperative moodFabio Estevam
According to Documentation/SubmittingPatches: "Describe your changes in imperative mood, e.g. "make xyzzy do frotz" instead of "[This patch] makes xyzzy do frotz" or "[I] changed xyzzy to do frotz", as if you are giving orders to the codebase to change its behaviour." So do as recommended. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-05-20coccinelle: ifaddr: Fix the sentenceFabio Estevam
Make the sentence sensible. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-05-20coccinelle: returnvar: Use imperative moodFabio Estevam
According to Documentation/SubmittingPatches: "Describe your changes in imperative mood, e.g. "make xyzzy do frotz" instead of "[This patch] makes xyzzy do frotz" or "[I] changed xyzzy to do frotz", as if you are giving orders to the codebase to change its behaviour." So do as recommended. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-05-20coccinelle: pm_runtime: Insert blank lineFabio Estevam
Insert a blank line in order to improve the readability of the generated patch and also make it consistent with the other .cocci files. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-04-15scripts/coccinelle/misc/bugon.cocci: update bug_on conversion warningFabian Frederick
if()/BUG conversion to BUG_ON must be avoided when there's side effect in condition. The reason being BUG_ON won't execute the condition when CONFIG_BUG is not defined. Inspired-by: J. Bruce Fields <bfields@fieldses.org> Suggested-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-03-25irqf_oneshot.cocci: add check of devm_request_threaded_irq()Valentin Rothberg
Since commit 1c6c69525b40eb76de8adf039409722015927dc3 ("genirq: Reject bogus threaded irq requests") threaded IRQs without a primary handler need to be requested with IRQF_ONESHOT, otherwise the request will fail. Until now, this coccinelle script only checked request_threaded_irq(). However, the counterpart devm function (see kernel/irq/devres.c) is also affected by the missing flag which can be detected with this patch. Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
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