scripts/coccinelle/api/drm-get-put.cocci

   1 // SPDX-License-Identifier: GPL-2.0
   2 ///
   3 /// Use drm_*_get() and drm_*_put() helpers instead of drm_*_reference() and
   4 /// drm_*_unreference() helpers.
   5 ///
   6 // Confidence: High
   7 // Copyright: (C) 2017 NVIDIA Corporation
   8 // Options: --no-includes --include-headers
   9 //
  10
  11 virtual patch
  12 virtual report
  13
  14 @depends on patch@
  15 expression object;
  16 @@
  17
  18 (
  19 - drm_mode_object_reference(object)
  20 + drm_mode_object_get(object)
  21 |
  22 - drm_mode_object_unreference(object)
  23 + drm_mode_object_put(object)
  24 |
  25 - drm_connector_reference(object)
  26 + drm_connector_get(object)
  27 |
  28 - drm_connector_unreference(object)
  29 + drm_connector_put(object)
  30 |
  31 - drm_framebuffer_reference(object)
  32 + drm_framebuffer_get(object)
  33 |
  34 - drm_framebuffer_unreference(object)
  35 + drm_framebuffer_put(object)
  36 |
  37 - drm_gem_object_reference(object)
  38 + drm_gem_object_get(object)
  39 |
  40 - drm_gem_object_unreference(object)
  41 + drm_gem_object_put(object)
  42 |
  43 - __drm_gem_object_unreference(object)
  44 + __drm_gem_object_put(object)
  45 |
  46 - drm_gem_object_unreference_unlocked(object)
  47 + drm_gem_object_put_unlocked(object)
  48 |
  49 - drm_property_reference_blob(object)
  50 + drm_property_blob_get(object)
  51 |
  52 - drm_property_unreference_blob(object)
  53 + drm_property_blob_put(object)
  54 |
  55 - drm_dev_unref(object)
  56 + drm_dev_put(object)
  57 )
  58
  59 @r depends on report@
  60 expression object;
  61 position p;
  62 @@
  63
  64 (
  65 drm_mode_object_unreference@p(object)
  66 |
  67 drm_mode_object_reference@p(object)
  68 |
  69 drm_connector_unreference@p(object)
  70 |
  71 drm_connector_reference@p(object)
  72 |
  73 drm_framebuffer_unreference@p(object)
  74 |
  75 drm_framebuffer_reference@p(object)
  76 |
  77 drm_gem_object_unreference@p(object)
  78 |
  79 drm_gem_object_reference@p(object)
  80 |
  81 __drm_gem_object_unreference(object)
  82 |
  83 drm_gem_object_unreference_unlocked(object)
  84 |
  85 drm_property_unreference_blob@p(object)
  86 |
  87 drm_property_reference_blob@p(object)
  88 |
  89 drm_dev_unref@p(object)
  90 )
  91
  92 @script:python depends on report@
  93 object << r.object;
  94 p << r.p;
  95 @@
  96
  97 msg="WARNING: use get/put helpers to reference and dereference %s" % (object)
  98 coccilib.report.print_report(p[0], msg)