Avoid a crash with --append-verify when discarding the received data.

Fixes bug 6293.

diff --git a/receiver.c b/receiver.c
index 861895e..d5a338c 100644 (file)
--- a/receiver.c
+++ b/receiver.c
@@ -228,7 +228,7 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
                sum.flength = (OFF_T)sum.count * sum.blength;
                if (sum.remainder)
                        sum.flength -= sum.blength - sum.remainder;
                sum.flength = (OFF_T)sum.count * sum.blength;
                if (sum.remainder)
                        sum.flength -= sum.blength - sum.remainder;

-               if (append_mode == 2) {
+               if (append_mode == 2 && mapbuf) {

                        for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
                                if (INFO_GTE(PROGRESS, 1))
                                        show_progress(offset, total_size);
                        for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
                                if (INFO_GTE(PROGRESS, 1))
                                        show_progress(offset, total_size);