shithub: jbig2

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Fix memory leak of the word stream struct.

--- a/jbig2_text.c

+++ b/jbig2_text.c

@@ -711,7 +711,6 @@

 	}

 	as = jbig2_arith_new(ctx, ws);

-	ws = 0;

         params.IADT = jbig2_arith_int_ctx_new(ctx);

         params.IAFS = jbig2_arith_int_ctx_new(ctx);

@@ -730,7 +729,7 @@

     code = jbig2_decode_text_region(ctx, segment, &params,

                 (const Jbig2SymbolDict * const *)dicts, n_dicts, image,

                 segment_data + offset, segment->data_length - offset,

-		GR_stats, as, ws);

+		GR_stats, as, as ? NULL : ws);

     if (!params.SBHUFF && params.SBREFINE) {

 	jbig2_free(ctx->allocator, GR_stats);

@@ -745,6 +744,7 @@

       jbig2_release_huffman_table(ctx, params.SBHUFFRDW);

       jbig2_release_huffman_table(ctx, params.SBHUFFRDH);

       jbig2_release_huffman_table(ctx, params.SBHUFFRSIZE);

+      jbig2_word_stream_buf_free(ctx, ws);

     }

     else {

 	jbig2_arith_int_ctx_free(ctx, params.IADT);