diff options
Diffstat (limited to 'Src/Modules/tcp.c')
| -rw-r--r-- | Src/Modules/tcp.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/Src/Modules/tcp.c b/Src/Modules/tcp.c index 2b9e9df18..2825cb978 100644 --- a/Src/Modules/tcp.c +++ b/Src/Modules/tcp.c @@ -446,14 +446,22 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func)) } if (targetfd) { - redup(sess->fd,targetfd); - sess->fd = targetfd; + if (redup(sess->fd,targetfd) == -1) + sess->fd = -1; + else + sess->fd = targetfd; } else { /* move the fd since no one will want to read from it */ sess->fd = movefd(sess->fd); } + if (sess->fd == -1) { + zwarnnam(nam, "cannot duplicate fd %d: %e", sess->fd, errno); + tcp_close(sess); + return 1; + } + setiparam("REPLY", sess->fd); if (verbose) |