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drm: Move a dereference below a NULL test
If the NULL test is necessary, then the dereference should be moved below the NULL test. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ type T; expression E; identifier i,fld; statement S; @@ - T i = E->fld; + T i; ... when != E when != i if (E == NULL) S + i = E->fld; // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Dave Airlie <airlied@linux.ie>
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1 changed files with 2 additions and 1 deletions
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@ -489,7 +489,7 @@ int drm_put_minor(struct drm_minor **minor_p)
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*/
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*/
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void drm_put_dev(struct drm_device *dev)
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void drm_put_dev(struct drm_device *dev)
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{
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{
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struct drm_driver *driver = dev->driver;
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struct drm_driver *driver;
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struct drm_map_list *r_list, *list_temp;
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struct drm_map_list *r_list, *list_temp;
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DRM_DEBUG("\n");
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DRM_DEBUG("\n");
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@ -498,6 +498,7 @@ void drm_put_dev(struct drm_device *dev)
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DRM_ERROR("cleanup called no dev\n");
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DRM_ERROR("cleanup called no dev\n");
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return;
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return;
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}
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}
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driver = dev->driver;
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drm_vblank_cleanup(dev);
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drm_vblank_cleanup(dev);
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