Make sure obuff equals NULL

rhpvorderman · rhpvorderman · commit c6e0471d7b81 · 2021-04-06T16:20:53.000+02:00
diff --git a/src/isal/igzip_lib.pyx b/src/isal/igzip_lib.pyx
@@ -299,7 +299,7 @@ cdef class IgzipDecompressor:
 
     cdef unsigned char * decompress_buf(self, Py_ssize_t max_length):
         cdef Py_ssize_t data_size = 0
-        cdef unsigned char * obuf
+        cdef unsigned char * obuf = NULL
         cdef Py_ssize_t obuflen = DEF_BUF_SIZE_I
         cdef int err
         if obuflen > max_length:
