Otherwise, the nbd client may hang waiting for the server response.
Signed-off-by: Hani Benhabiles <address@hidden>
---
Quick method to trigger such behaviour:
(qemu) nbd_server_start localhost:10809
(qemu) nbd_server_add sd0
$ nbd-client localhost 10809 -name AAAA /dev/nbd0
Negotiation: ..
(Client will hang indefinitely.)
blockdev-nbd.c | 4 ++--
qemu-nbd.c | 4 +++-
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/blockdev-nbd.c b/blockdev-nbd.c
index 922cf56..b60b66d 100644
--- a/blockdev-nbd.c
+++ b/blockdev-nbd.c
@@ -27,8 +27,8 @@ static void nbd_accept(void *opaque)
socklen_t addr_len = sizeof(addr);
int fd = accept(server_fd, (struct sockaddr *)&addr, &addr_len);
- if (fd >= 0) {
- nbd_client_new(NULL, fd, nbd_client_put);
+ if (fd >= 0 && !nbd_client_new(NULL, fd, nbd_client_put)) {
+ close(fd);
}
}
diff --git a/qemu-nbd.c b/qemu-nbd.c
index eed79fa..f70e4b0 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -369,8 +369,10 @@ static void nbd_accept(void *opaque)
return;
}
- if (fd >= 0 && nbd_client_new(exp, fd, nbd_client_closed)) {
+ if (nbd_client_new(exp, fd, nbd_client_closed)) {
nb_fds++;
+ } else {
+ close(fd);
}
}