Check tny_stream_read return value for -1 (fix 1 for NB#126941)

* src/modest-formatter.c (extract_text): check return value for
  tny_stream_read. If -1, finish processing.

diff --git a/src/modest-formatter.c b/src/modest-formatter.c
index 8cdd091..9cd37b6 100644 (file)
--- a/src/modest-formatter.c
+++ b/src/modest-formatter.c
@@ -106,6 +106,9 @@ extract_text (ModestFormatter *self, TnyMimePart *body)
                        break;
                n_read = tny_stream_read (input_stream, buffer, next_read);
 
+               if (G_UNLIKELY (n_read < 0))
+                       break;
+
                offset = buffer;
                while (offset < buffer + n_read) {