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authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>2017-06-02 18:01:47 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2017-06-15 11:18:39 +0200
commit7798d3aab981b1ccb29ba7343368a55a32a26d30 (patch)
tree1ea60743e742ed6add752fb2a37f12e397d78823
parentc84087f2f52f6e87ad1cbd07e5502ab748c17039 (diff)
nbd/server: nbd_negotiate: fix error path
Current code will return 0 on this nbd_write fail, as rc is 0 after successful nbd_negotiate_options. Fix this. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20170602150150.258222-10-vsementsov@virtuozzo.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--nbd/server.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/nbd/server.c b/nbd/server.c
index d52682741f..c9ca847021 100644
--- a/nbd/server.c
+++ b/nbd/server.c
@@ -607,7 +607,8 @@ static coroutine_fn int nbd_negotiate(NBDClient *client)
stq_be_p(buf + 18, client->exp->size);
stw_be_p(buf + 26, client->exp->nbdflags | myflags);
len = client->no_zeroes ? 10 : sizeof(buf) - 18;
- if (nbd_write(client->ioc, buf + 18, len, NULL) < 0) {
+ rc = nbd_write(client->ioc, buf + 18, len, NULL);
+ if (rc < 0) {
LOG("write failed");
goto fail;
}