Revert "staging: tidspbridge: use safer test on the result of find_first_zero_bit"

This reverts commit cc0be81f00472d782804293766ddd9d1c2b4ebd1, it was
incorrect.

Reported-by: Julia Lawall <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/tidspbridge/rmgr/node.c

···
 				 node2_type == NODE_DAISSOCKET)) {
 		/* Find available pipe */
 		pipe_id = find_first_zero_bit(hnode_mgr->pipe_map, MAXPIPES);
-		if (pipe_id >= MAXPIPES) {
+		if (pipe_id == MAXPIPES) {
 			status = -ECONNREFUSED;
 			goto out_unlock;
 		}
···
 			status = -EINVAL;
 			goto out_unlock;
 		}
-		if (chnl_id >= CHNL_MAXCHANNELS) {
+		if (chnl_id == CHNL_MAXCHANNELS) {
 			status = -ECONNREFUSED;
 			goto out_unlock;
 		}