bitbake/fetch: Fix handling of mirrors when checking for url validity

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

bitbake/lib/bb/fetch/__init__.py

@@ -468,7 +468,9 @@ def try_mirrors(d, uri, mirrors, check = False, force = False):
 
             try:
                 if check:
-                    ud.method.checkstatus(newuri, ud, ld)
+                    found = ud.method.checkstatus(newuri, ud, ld)
+                    if found:
+                        return found
                 else:
                     ud.method.go(newuri, ud, ld)
                     return ud.localpath