diff --git a/src/draw/sw/lv_draw_sw_arc.c b/src/draw/sw/lv_draw_sw_arc.c
index 0fcca898e..e3033a277 100644
--- a/src/draw/sw/lv_draw_sw_arc.c
+++ b/src/draw/sw/lv_draw_sw_arc.c
@@ -58,6 +58,8 @@ void lv_draw_sw_arc(lv_draw_unit_t * draw_unit, const lv_draw_arc_dsc_t * dsc, c
     if(width > dsc->radius) width = dsc->radius;
 
     lv_area_t area_out = *coords;
+    lv_area_t clipped_area;
+    if(!_lv_area_intersect(&clipped_area, &area_out, draw_unit->clip_area)) return;
 
     /*Draw a full ring*/
     if(dsc->img_src == NULL &&
@@ -106,9 +108,6 @@ void lv_draw_sw_arc(lv_draw_unit_t * draw_unit, const lv_draw_arc_dsc_t * dsc, c
         mask_in_param_valid = true;
     }
 
-    lv_area_t clipped_area;
-    if(!_lv_area_intersect(&clipped_area, &area_out, draw_unit->clip_area)) return;
-
     lv_coord_t blend_h = lv_area_get_height(&clipped_area);
     lv_coord_t blend_w = lv_area_get_width(&clipped_area);
     lv_coord_t h;
diff --git a/src/draw/sw/lv_draw_sw_mask.c b/src/draw/sw/lv_draw_sw_mask.c
index 81ca35832..93e12b0dc 100644
--- a/src/draw/sw/lv_draw_sw_mask.c
+++ b/src/draw/sw/lv_draw_sw_mask.c
@@ -380,7 +380,7 @@ void lv_draw_sw_mask_radius_init(lv_draw_sw_mask_radius_param_t * param, const l
         }
     }
 
-    /*If not found find a free entry with lowest life*/
+    /*If not cached use the free entry with lowest life*/
     _lv_draw_sw_mask_radius_circle_dsc_t * entry = NULL;
     for(i = 0; i < LV_DRAW_SW_CIRCLE_CACHE_SIZE; i++) {
         if(LV_GC_ROOT(_lv_circle_cache[i]).used_cnt == 0) {
@@ -389,6 +389,7 @@ void lv_draw_sw_mask_radius_init(lv_draw_sw_mask_radius_param_t * param, const l
         }
     }
 
+    /*There is no unused entry. Allocate one temporarily*/
     if(!entry) {
         entry = lv_malloc(sizeof(_lv_draw_sw_mask_radius_circle_dsc_t));
         LV_ASSERT_MALLOC(entry);
diff --git a/src/stdlib/clib/lv_sprintf_clib.c b/src/stdlib/clib/lv_sprintf_clib.c
index 1487f1648..405a059a8 100644
--- a/src/stdlib/clib/lv_sprintf_clib.c
+++ b/src/stdlib/clib/lv_sprintf_clib.c
@@ -9,7 +9,7 @@
  *      INCLUDES
  *********************/
 #include "../../lv_conf_internal.h"
-#if LV_USE_STDLIB_MALLOC == LV_STDLIB_CLIB
+#if LV_USE_STDLIB_SPRINTF == LV_STDLIB_CLIB
 #include <stdio.h>
 #include <stdarg.h>
 #include "../lv_sprintf.h"