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
  56 @r depends on report@
  57 expression object;
  58 position p;
  59 @@
  60
  61 (
  62 drm_mode_object_unreference@p(object)
  63 |
  64 drm_mode_object_reference@p(object)
  65 |
  66 drm_connector_unreference@p(object)
  67 |
  68 drm_connector_reference@p(object)
  69 |
  70 drm_framebuffer_unreference@p(object)
  71 |
  72 drm_framebuffer_reference@p(object)
  73 |
  74 drm_gem_object_unreference@p(object)
  75 |
  76 drm_gem_object_reference@p(object)
  77 |
  78 __drm_gem_object_unreference(object)
  79 |
  80 drm_gem_object_unreference_unlocked(object)
  81 |
  82 drm_property_unreference_blob@p(object)
  83 |
  84 drm_property_reference_blob@p(object)
  85 )
  86
  87 @script:python depends on report@
  88 object << r.object;
  89 p << r.p;
  90 @@
  91
  92 msg="WARNING: use get/put helpers to reference and dereference %s" % (object)
  93 coccilib.report.print_report(p[0], msg)