@@ -235,8 +235,8 @@ static int load_mask(uint8_t **mask, int *w, int *h,

     av_image_copy_plane(*mask, *w, gray_data[0], gray_linesize[0], *w, *h);

 end:

-    av_free(src_data[0]);

-    av_free(gray_data[0]);

+    av_freep(&src_data[0]);

+    av_freep(&gray_data[0]);

     return ret;

 }

@@ -540,9 +540,9 @@ static av_cold void uninit(AVFilterContext *ctx)

         for (a = 0; a <= s->max_mask_size; a++) {

             /* Loop through each scanline in a mask. */

             for (b = -a; b <= a; b++) {

-                av_free(s->mask[a][b + a]); /* Free a scanline. */

+                av_freep(&s->mask[a][b + a]); /* Free a scanline. */

             }

-            av_free(s->mask[a]);

+            av_freep(&s->mask[a]);

         }

         /* Free the array of pointers pointing to the masks. */

         av_freep(&s->mask);