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authorJuan Quintela <quintela@redhat.com>2011-02-23 19:56:52 +0100
committerJuan Quintela <quintela@redhat.com>2011-10-20 13:23:54 +0200
commit8414ff3bd8bfafbcb632c670f4d81c8e4f15e703 (patch)
tree193b7ec16125456715929dac6c16cb5e8493d3c6 /migration-tcp.c
parentefab4718f4203132244758fbc76b8b0676b9d85d (diff)
migration: propagate error correctly
unix and tcp outgoing migration have error values, but didn't returned it. Make them return the error. Notice that EINPROGRESS & EWOULDBLOCK are not considered errors as call will be retry later. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'migration-tcp.c')
-rw-r--r--migration-tcp.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/migration-tcp.c b/migration-tcp.c
index bd3aa3a4a..619df2108 100644
--- a/migration-tcp.c
+++ b/migration-tcp.c
@@ -90,26 +90,28 @@ int tcp_start_outgoing_migration(MigrationState *s, const char *host_port)
s->fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
if (s->fd == -1) {
- return -1;
+ return -socket_error();
}
socket_set_nonblock(s->fd);
do {
ret = connect(s->fd, (struct sockaddr *)&addr, sizeof(addr));
- if (ret == -1)
- ret = -(socket_error());
-
- if (ret == -EINPROGRESS || ret == -EWOULDBLOCK)
+ if (ret == -1) {
+ ret = -socket_error();
+ }
+ if (ret == -EINPROGRESS || ret == -EWOULDBLOCK) {
qemu_set_fd_handler2(s->fd, NULL, NULL, tcp_wait_for_connect, s);
+ return 0;
+ }
} while (ret == -EINTR);
- if (ret < 0 && ret != -EINPROGRESS && ret != -EWOULDBLOCK) {
+ if (ret < 0) {
DPRINTF("connect failed\n");
migrate_fd_error(s);
- } else if (ret >= 0)
- migrate_fd_connect(s);
-
+ return ret;
+ }
+ migrate_fd_connect(s);
return 0;
}