rgw: Fix Host->bucket fallback logic inversion

The logic (added in 46aae19ee) for falling back to just using the hostname as
the possible bucket name contained an accidental inversion, because
RGWHandler_REST::validate_bucket_name returns success as zero.

Backport: jewel
Fixes: http://tracker.ceph.com/issues/17136
Re-Fixes: http://tracker.ceph.com/issues/15975
Signed-off-by: Robin H. Johnson <robin.johnson@dreamhost.com>

diff --git a/src/rgw/rgw_rest.cc b/src/rgw/rgw_rest.cc
index 16fa8407e2bb810b9a2a01a7cde42deee62ca746..cb0d768002a4e161cae7ad1c0d32e64223a8ec3c 100644 (file)
--- a/src/rgw/rgw_rest.cc
+++ b/src/rgw/rgw_rest.cc
@@ -1849,7 +1849,7 @@ int RGWREST::preprocess(struct req_state *s, RGWClientIO* cio)
     if (subdomain.empty()
         && (domain.empty() || domain != info.host)
         && !looks_like_ip_address(info.host.c_str())
-        && RGWHandler_REST::validate_bucket_name(info.host)) {
+        && RGWHandler_REST::validate_bucket_name(info.host) == 0) {
       subdomain.append(info.host);
       in_hosted_domain = 1;
     }