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// SPDX-License-Identifier: GPL-2.0
///
/// Use drm_*_get() and drm_*_put() helpers instead of drm_*_reference() and
/// drm_*_unreference() helpers.
///
// Confidence: High
// Copyright: (C) 2017 NVIDIA Corporation
// Options: --no-includes --include-headers
//

virtual patch
virtual report

@depends on patch@
expression object;
@@

(
- drm_mode_object_reference(object)
+ drm_mode_object_get(object)
|
- drm_mode_object_unreference(object)
+ drm_mode_object_put(object)
|
- drm_connector_reference(object)
+ drm_connector_get(object)
|
- drm_connector_unreference(object)
+ drm_connector_put(object)
|
- drm_framebuffer_reference(object)
+ drm_framebuffer_get(object)
|
- drm_framebuffer_unreference(object)
+ drm_framebuffer_put(object)
|
- drm_gem_object_reference(object)
+ drm_gem_object_get(object)
|
- drm_gem_object_unreference(object)
+ drm_gem_object_put(object)
|
- __drm_gem_object_unreference(object)
+ __drm_gem_object_put(object)
|
- drm_gem_object_unreference_unlocked(object)
+ drm_gem_object_put_unlocked(object)
|
- drm_property_reference_blob(object)
+ drm_property_blob_get(object)
|
- drm_property_unreference_blob(object)
+ drm_property_blob_put(object)
|
- drm_dev_unref(object)
+ drm_dev_put(object)
)

@r depends on report@
expression object;
position p;
@@

(
drm_mode_object_unreference@p(object)
|
drm_mode_object_reference@p(object)
|
drm_connector_unreference@p(object)
|
drm_connector_reference@p(object)
|
drm_framebuffer_unreference@p(object)
|
drm_framebuffer_reference@p(object)
|
drm_gem_object_unreference@p(object)
|
drm_gem_object_reference@p(object)
|
__drm_gem_object_unreference(object)
|
drm_gem_object_unreference_unlocked(object)
|
drm_property_unreference_blob@p(object)
|
drm_property_reference_blob@p(object)
|
drm_dev_unref@p(object)
)

@script:python depends on report@
object << r.object;
p << r.p;
@@

msg="WARNING: use get/put helpers to reference and dereference %s" % (object)
coccilib.report.print_report(p[0], msg)

Filemanager

Name Type Size Permission Actions
alloc Folder 0755
debugfs Folder 0755
check_bq27xxx_data.cocci File 3.42 KB 0644
d_find_alias.cocci File 1.28 KB 0644
drm-get-put.cocci File 1.93 KB 0644
err_cast.cocci File 1.07 KB 0644
kstrdup.cocci File 2.4 KB 0644
memdup.cocci File 1.35 KB 0644
memdup_user.cocci File 1.28 KB 0644
platform_no_drv_owner.cocci File 3.78 KB 0644
pm_runtime.cocci File 2.34 KB 0644
ptr_ret.cocci File 1.77 KB 0644
resource_size.cocci File 2.07 KB 0644
simple_open.cocci File 1.21 KB 0644
stream_open.cocci File 7.6 KB 0644
vma_pages.cocci File 1.48 KB 0644