lib: o_stream_send_istream() should return -1 if there was an error reading input...

diff --git a/src/lib/ostream.c b/src/lib/ostream.c
index 23ccb18509fb103c1c72ecf0e69e76a35e8f8a1b..4c34aed767d8e012fe313b64d8da90dd5496f256 100644 (file)
--- a/src/lib/ostream.c
+++ b/src/lib/ostream.c
@@ -369,6 +369,8 @@ off_t io_stream_copy(struct ostream *outstream, struct istream *instream)
                (void)i_stream_read_data(instream, &data, &iov.iov_len, 0);
                if (iov.iov_len == 0) {
                        /* all sent */
+                       if (instream->stream_errno != 0)
+                               return -1;
                        break;
                }