- smoke wasn't closing the file of loading a tile had the wrong length.

- missing break in operator context switch meant RGN_TYPE_CHANNELS was always being overwritten with RGN_TYPE_PREVIEW when calling operators (from r26692)

intern/smoke/intern/WAVELET_NOISE.h

@@ -243,6 +243,7 @@ static bool loadTile(float* const noiseTileData, std::string filename)
 		|| (headerbuffer[headerlen-1] != (char)((char)sizeof(long)+'0')))
 	{
 		printf("loadTile : Noise tile '%s' was generated on an incompatible platform.\n",filename.c_str());
+		fclose(file);
 		return false;
 	}
 	

source/blender/windowmanager/intern/wm_event_system.c

@@ -751,6 +751,7 @@ static int wm_operator_call_internal(bContext *C, wmOperatorType *ot, PointerRNA
 					case WM_OP_EXEC_REGION_CHANNELS:
 					case WM_OP_INVOKE_REGION_CHANNELS:
 						type = RGN_TYPE_CHANNELS;
+						break;
 					
 					case WM_OP_EXEC_REGION_PREVIEW:
 					case WM_OP_INVOKE_REGION_PREVIEW: