aboutsummaryrefslogtreecommitdiff
path: root/slirp/socket.c
diff options
context:
space:
mode:
Diffstat (limited to 'slirp/socket.c')
-rw-r--r--slirp/socket.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/slirp/socket.c b/slirp/socket.c
index a17caa9fa7..ecec0295a9 100644
--- a/slirp/socket.c
+++ b/slirp/socket.c
@@ -404,7 +404,15 @@ sowrite(struct socket *so)
DEBUG_ARG("so = %p", so);
if (so->so_urgc) {
- sosendoob(so);
+ uint32_t expected = so->so_urgc;
+ if (sosendoob(so) < expected) {
+ /* Treat a short write as a fatal error too,
+ * rather than continuing on and sending the urgent
+ * data as if it were non-urgent and leaving the
+ * so_urgc count wrong.
+ */
+ goto err_disconnected;
+ }
if (sb->sb_cc == 0)
return 0;
}
@@ -448,11 +456,7 @@ sowrite(struct socket *so)
return 0;
if (nn <= 0) {
- DEBUG_MISC((dfd, " --- sowrite disconnected, so->so_state = %x, errno = %d\n",
- so->so_state, errno));
- sofcantsendmore(so);
- tcp_sockclosed(sototcpcb(so));
- return -1;
+ goto err_disconnected;
}
#ifndef HAVE_READV
@@ -479,6 +483,13 @@ sowrite(struct socket *so)
sofcantsendmore(so);
return nn;
+
+err_disconnected:
+ DEBUG_MISC((dfd, " --- sowrite disconnected, so->so_state = %x, errno = %d\n",
+ so->so_state, errno));
+ sofcantsendmore(so);
+ tcp_sockclosed(sototcpcb(so));
+ return -1;
}
/*