Cleanup: replace unnecessary MEM_callocN calls

Use MEM_mallocN when memory is immediately copied over.

source/blender/blenkernel/intern/curve.c

@@ -3031,7 +3031,7 @@ void BKE_curve_bevelList_make(Object *ob, ListBase *nurbs, bool for_render)
     blnext = bl->next;
     if (bl->nr && bl->dupe_nr) {
       nr = bl->nr - bl->dupe_nr + 1; /* +1 because vectorbezier sets flag too */
-      blnew = MEM_callocN(sizeof(BevList), "makeBevelList4");
+      blnew = MEM_mallocN(sizeof(BevList), "makeBevelList4");
       memcpy(blnew, bl, sizeof(BevList));
       blnew->bevpoints = MEM_calloc_arrayN(nr, sizeof(BevPoint), "makeBevelPoints4");
       if (!blnew->bevpoints) {

source/blender/blenkernel/intern/report.c

@@ -121,7 +121,7 @@ void BKE_report(ReportList *reports, ReportType type, const char *_message)
     report->typestr = BKE_report_type_str(type);
 
     len = strlen(message);
-    message_alloc = MEM_callocN(sizeof(char) * (len + 1), "ReportMessage");
+    message_alloc = MEM_mallocN(sizeof(char) * (len + 1), "ReportMessage");
     memcpy(message_alloc, message, sizeof(char) * (len + 1));
     report->message = message_alloc;
     report->len = len;

source/blender/blenkernel/intern/tracking.c

@@ -899,7 +899,7 @@ void BKE_tracking_tracks_join(MovieTracking *tracking,
 
   MEM_freeN(dst_track->markers);
 
-  dst_track->markers = MEM_callocN(i * sizeof(MovieTrackingMarker), "tracking joined tracks");
+  dst_track->markers = MEM_mallocN(i * sizeof(MovieTrackingMarker), "tracking joined tracks");
   memcpy(dst_track->markers, markers, i * sizeof(MovieTrackingMarker));
 
   dst_track->markersnr = i;

source/blender/blenkernel/intern/tracking_solver.c

@@ -243,7 +243,7 @@ static bool reconstruct_retrieve_libmv_tracks(MovieReconstructContext *context,
 
   if (reconstruction->camnr) {
     int size = reconstruction->camnr * sizeof(MovieReconstructedCamera);
-    reconstruction->cameras = MEM_callocN(size, "reconstructed camera");
+    reconstruction->cameras = MEM_mallocN(size, "reconstructed camera");
     memcpy(reconstruction->cameras, reconstructed, size);
   }
 

source/blender/editors/gpencil/gpencil_edit.c

@@ -677,12 +677,12 @@ static void gp_duplicate_points(const bGPDstroke *gps,
         gpsd->tot_triangles = 0;
 
         /* now, make a new points array, and copy of the relevant parts */
-        gpsd->points = MEM_callocN(sizeof(bGPDspoint) * len, "gps stroke points copy");
+        gpsd->points = MEM_mallocN(sizeof(bGPDspoint) * len, "gps stroke points copy");
         memcpy(gpsd->points, gps->points + start_idx, sizeof(bGPDspoint) * len);
         gpsd->totpoints = len;
 
         if (gps->dvert != NULL) {
-          gpsd->dvert = MEM_callocN(sizeof(MDeformVert) * len, "gps stroke weights copy");
+          gpsd->dvert = MEM_mallocN(sizeof(MDeformVert) * len, "gps stroke weights copy");
           memcpy(gpsd->dvert, gps->dvert + start_idx, sizeof(MDeformVert) * len);
 
           /* Copy weights */

source/blender/editors/mesh/meshtools.c

@@ -430,7 +430,7 @@ int join_mesh_exec(bContext *C, wmOperator *op)
       for (dg = ob_iter->defbase.first; dg; dg = dg->next) {
         /* See if this group exists in the object (if it doesn't, add it to the end) */
         if (!defgroup_find_name(ob, dg->name)) {
-          odg = MEM_callocN(sizeof(bDeformGroup), "join deformGroup");
+          odg = MEM_mallocN(sizeof(bDeformGroup), "join deformGroup");
           memcpy(odg, dg, sizeof(bDeformGroup));
           BLI_addtail(&ob->defbase, odg);
         }
@@ -443,7 +443,7 @@ int join_mesh_exec(bContext *C, wmOperator *op)
       for (bFaceMap *fmap = ob_iter->fmaps.first; fmap; fmap = fmap->next) {
         /* See if this group exists in the object (if it doesn't, add it to the end) */
         if (BKE_object_facemap_find_name(ob, fmap->name) == NULL) {
-          bFaceMap *fmap_new = MEM_callocN(sizeof(bFaceMap), "join faceMap");
+          bFaceMap *fmap_new = MEM_mallocN(sizeof(bFaceMap), "join faceMap");
           memcpy(fmap_new, fmap, sizeof(bFaceMap));
           BLI_addtail(&ob->fmaps, fmap_new);
         }

source/blender/makesrna/intern/rna_animation.c

@@ -332,7 +332,7 @@ static StructRNA *rna_KeyingSetInfo_register(Main *bmain,
   }
 
   /* create a new KeyingSetInfo type */
-  ksi = MEM_callocN(sizeof(KeyingSetInfo), "python keying set info");
+  ksi = MEM_mallocN(sizeof(KeyingSetInfo), "python keying set info");
   memcpy(ksi, &dummyksi, sizeof(KeyingSetInfo));
 
   /* set RNA-extensions info */

source/blender/makesrna/intern/rna_nodetree.c

@@ -816,7 +816,7 @@ static StructRNA *rna_NodeTree_register(Main *bmain,
   }
 
   /* create a new node tree type */
-  nt = MEM_callocN(sizeof(bNodeTreeType), "node tree type");
+  nt = MEM_mallocN(sizeof(bNodeTreeType), "node tree type");
   memcpy(nt, &dummynt, sizeof(dummynt));
 
   nt->type = NTREE_CUSTOM;
@@ -1650,7 +1650,7 @@ static bNodeType *rna_Node_register_base(Main *bmain,
   }
 
   /* create a new node type */
-  nt = MEM_callocN(sizeof(bNodeType), "node type");
+  nt = MEM_mallocN(sizeof(bNodeType), "node type");
   memcpy(nt, &dummynt, sizeof(dummynt));
   nt->free_self = (void (*)(bNodeType *))MEM_freeN;
 
@@ -2178,7 +2178,7 @@ static StructRNA *rna_NodeSocket_register(Main *UNUSED(bmain),
   st = nodeSocketTypeFind(dummyst.idname);
   if (!st) {
     /* create a new node socket type */
-    st = MEM_callocN(sizeof(bNodeSocketType), "node socket type");
+    st = MEM_mallocN(sizeof(bNodeSocketType), "node socket type");
     memcpy(st, &dummyst, sizeof(dummyst));
 
     nodeRegisterSocketType(st);
@@ -2494,7 +2494,7 @@ static StructRNA *rna_NodeSocketInterface_register(Main *UNUSED(bmain),
   }
   else {
     /* create a new node socket type */
-    st = MEM_callocN(sizeof(bNodeSocketType), "node socket type");
+    st = MEM_mallocN(sizeof(bNodeSocketType), "node socket type");
     memcpy(st, &dummyst, sizeof(dummyst));
 
     nodeRegisterSocketType(st);

source/blender/makesrna/intern/rna_render.c

@@ -351,7 +351,7 @@ static StructRNA *rna_RenderEngine_register(Main *bmain,
   }
 
   /* create a new engine type */
-  et = MEM_callocN(sizeof(RenderEngineType), "python render engine");
+  et = MEM_mallocN(sizeof(RenderEngineType), "python render engine");
   memcpy(et, &dummyet, sizeof(dummyet));
 
   et->ext.srna = RNA_def_struct_ptr(&BLENDER_RNA, et->idname, &RNA_RenderEngine);

source/blender/makesrna/intern/rna_ui.c

@@ -341,7 +341,7 @@ static StructRNA *rna_Panel_register(Main *bmain,
   }
 
   /* create a new panel type */
-  pt = MEM_callocN(sizeof(PanelType), "python buttons panel");
+  pt = MEM_mallocN(sizeof(PanelType), "python buttons panel");
   memcpy(pt, &dummypt, sizeof(dummypt));
 
   pt->ext.srna = RNA_def_struct_ptr(&BLENDER_RNA, pt->idname, &RNA_Panel);
@@ -775,7 +775,7 @@ static StructRNA *rna_Header_register(Main *bmain,
   }
 
   /* create a new header type */
-  ht = MEM_callocN(sizeof(HeaderType), "python buttons header");
+  ht = MEM_mallocN(sizeof(HeaderType), "python buttons header");
   memcpy(ht, &dummyht, sizeof(dummyht));
 
   ht->ext.srna = RNA_def_struct_ptr(&BLENDER_RNA, ht->idname, &RNA_Header);