Cleanup: argument naming, redundant NULL checks

source/blender/blenkernel/BKE_editmesh_bvh.h

@@ -72,8 +72,8 @@ struct BMFace *BKE_bmbvh_ray_cast_filter(BMBVHTree *tree,
                                          float *r_dist,
                                          float r_hitout[3],
                                          float r_cagehit[3],
-                                         BMBVHTree_FaceFilter filter,
-                                         void *filter_cb);
+                                         BMBVHTree_FaceFilter filter_cb,
+                                         void *filter_userdata);
 
 /* find a vert closest to co in a sphere of radius dist_max */
 struct BMVert *BKE_bmbvh_find_vert_closest(BMBVHTree *tree,

source/blender/blenkernel/BKE_image.h

@@ -309,11 +309,11 @@ void BKE_image_get_aspect(struct Image *image, float *aspx, float *aspy);
 /* image_gen.c */
 void BKE_image_buf_fill_color(
     unsigned char *rect, float *rect_float, int width, int height, const float color[4]);
-void BKE_image_buf_fill_checker(unsigned char *rect, float *rect_float, int height, int width);
+void BKE_image_buf_fill_checker(unsigned char *rect, float *rect_float, int width, int height);
 void BKE_image_buf_fill_checker_color(unsigned char *rect,
                                       float *rect_float,
-                                      int height,
-                                      int width);
+                                      int width,
+                                      int height);
 
 /* Cycles hookup */
 unsigned char *BKE_image_get_pixels_for_frame(struct Image *image, int frame);

source/blender/blenkernel/intern/cloth.c

@@ -772,7 +772,7 @@ static int cloth_from_object(
     clmd->clothObject->old_solver_type = 255;
     clmd->clothObject->edgeset = NULL;
   }
-  else if (!clmd->clothObject) {
+  else {
     modifier_setError(&(clmd->modifier), "Out of memory on allocating clmd->clothObject");
     return 0;
   }

source/blender/blenkernel/intern/paint.c

@@ -224,7 +224,6 @@ const EnumPropertyItem *BKE_paint_get_tool_enum_from_paintmode(ePaintMode mode)
       return rna_enum_brush_image_tool_items;
     case PAINT_MODE_SCULPT_UV:
       return rna_enum_brush_uv_sculpt_tool_items;
-      return NULL;
     case PAINT_MODE_GPENCIL:
       return rna_enum_brush_gpencil_types_items;
     case PAINT_MODE_INVALID:

source/blender/blenkernel/intern/subdiv_ccg.c

@@ -593,7 +593,7 @@ Mesh *BKE_subdiv_to_ccg_mesh(Subdiv *subdiv,
   BKE_subdiv_stats_begin(&subdiv->stats, SUBDIV_STATS_SUBDIV_TO_CCG);
   if (!BKE_subdiv_eval_update_from_mesh(subdiv, coarse_mesh, NULL)) {
     if (coarse_mesh->totpoly) {
-      return false;
+      return NULL;
     }
   }
   BKE_subdiv_stats_end(&subdiv->stats, SUBDIV_STATS_SUBDIV_TO_CCG);

source/blender/blenkernel/intern/text.c

@@ -352,7 +352,7 @@ Text *BKE_text_load_ex(Main *bmain, const char *file, const char *relpath, const
 
   buffer = BLI_file_read_text_as_mem(filepath_abs, 0, &buffer_len);
   if (buffer == NULL) {
-    return false;
+    return NULL;
   }
 
   ta = BKE_libblock_alloc(bmain, ID_TXT, BLI_path_basename(filepath_abs), 0);