Index: python-imaging-Pillow-d1c6db8/libImaging/Antialias.c
===================================================================
--- python-imaging-Pillow-d1c6db8.orig/libImaging/Antialias.c
+++ python-imaging-Pillow-d1c6db8/libImaging/Antialias.c
@@ -216,6 +216,7 @@ ImagingStretch(Imaging imOut, Imaging im
                     break;
                 default:
                     ImagingSectionLeave(&cookie);
+                    free(k);
                     return (Imaging) ImagingError_ModeError();
                 }
         }
@@ -295,6 +296,7 @@ ImagingStretch(Imaging imOut, Imaging im
                     break;
                 default:
                     ImagingSectionLeave(&cookie);
+                    free(k);
                     return (Imaging) ImagingError_ModeError();
                 }
         }
Index: python-imaging-Pillow-d1c6db8/libImaging/UnsharpMask.c
===================================================================
--- python-imaging-Pillow-d1c6db8.orig/libImaging/UnsharpMask.c
+++ python-imaging-Pillow-d1c6db8/libImaging/UnsharpMask.c
@@ -141,8 +141,10 @@ gblur(Imaging im, Imaging imOut, float f
     /* don't bother about alpha/padding */
     buffer = calloc((size_t) (im->xsize * im->ysize * channels),
 		    sizeof(float));
-    if (buffer == NULL)
-	return ImagingError_MemoryError();
+    if (buffer == NULL) {
+        free(maskData);
+        return ImagingError_MemoryError();
+    }
 
     /* be nice to other threads while you go off to lala land */
     ImagingSectionEnter(&cookie);