Use goto

Author: radarhere

src/encode.c

@@ -1244,8 +1244,7 @@ PyImaging_JpegEncoderNew(PyObject *self, PyObject *args) {
         /* malloc check ok, length is from python parsearg */
         char *p = malloc(comment_size);  // Freed in JpegEncode, Case 6
         if (!p) {
-            Py_DECREF(encoder);
-            return ImagingError_MemoryError();
+            goto memory_error;
         }
         memcpy(p, comment, comment_size);
         comment = p;
@@ -1257,11 +1256,7 @@ PyImaging_JpegEncoderNew(PyObject *self, PyObject *args) {
         /* malloc check ok, length is from python parsearg */
         char *p = malloc(extra_size);  // Freed in JpegEncode, Case 6
         if (!p) {
-            Py_DECREF(encoder);
-            if (comment) {
-                free(comment);
-            }
-            return ImagingError_MemoryError();
+            goto memory_error;
         }
         memcpy(p, extra, extra_size);
         extra = p;
@@ -1273,14 +1268,7 @@ PyImaging_JpegEncoderNew(PyObject *self, PyObject *args) {
         /* malloc check ok, length is from python parsearg */
         char *pp = malloc(rawExifLen);  // Freed in JpegEncode, Case 6
         if (!pp) {
-            Py_DECREF(encoder);
-            if (comment) {
-                free(comment);
-            }
-            if (extra) {
-                free(extra);
-            }
-            return ImagingError_MemoryError();
+            goto memory_error;
         }
         memcpy(pp, rawExif, rawExifLen);
         rawExif = pp;
@@ -1313,6 +1301,16 @@ PyImaging_JpegEncoderNew(PyObject *self, PyObject *args) {
     jpeg_encoder_state->rawExifLen = rawExifLen;
 
     return (PyObject *)encoder;
+
+memory_error:
+    Py_DECREF(encoder);
+    if (comment) {
+        free(comment);
+    }
+    if (extra) {
+        free(extra);
+    }
+    return ImagingError_MemoryError();
 }
 
 #endif