vss: Avoid use after free in vss_send().

[paraslash.git] / vss.c

diff --git a/vss.c b/vss.c
index 2acff1cb95b8e0b54a37eeb96aa653fd16443e4c..4d73a95cd142908f26ec9c2108139f1561a4c995 100644 (file)
--- a/vss.c
+++ b/vss.c
@@ -611,7 +611,7 @@ static int setup_next_fec_group(struct fec_client *fc, struct vss_task *vsst)
                for (; i < k; i++)
                        fc->src_data[i] = (const unsigned char *)buf;
        }
-       PARA_DEBUG_LOG("FEC group %d: %d chunks (%d - %d), %d bytes\n",
+       PARA_DEBUG_LOG("FEC group %u: %u chunks (%u - %u), %u bytes\n",
                g->num, g->num_chunks, g->first_chunk,
                g->first_chunk + g->num_chunks - 1, g->bytes
        );
@@ -1027,11 +1027,11 @@ static void vss_send(struct vss_task *vsst)
                }
                if (compute_next_fec_slice(fc, vsst) <= 0)
                        continue;
-               PARA_DEBUG_LOG("sending %d:%d (%u bytes)\n", fc->group.num,
+               PARA_DEBUG_LOG("sending %u:%u (%u bytes)\n", fc->group.num,
                        fc->current_slice_num, fc->group.slice_bytes);
+               fc->current_slice_num++;
                fc->fcp->send_fec(fc->sc, (char *)fc->enc_buf,
                        fc->group.slice_bytes + FEC_HEADER_SIZE);
-               fc->current_slice_num++;
                fec_active = 1;
        }
        if (mmd->current_chunk >= mmd->afd.afhi.chunks_total) { /* eof */