X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fsched%2Fematch.c;h=f3a104e323bddd50c299c74c928a95038f1f5af5;hb=6140efb536e7758cd300461981634ebfd4f51efa;hp=24837391640d6e7da5c126579eca26e64894f514;hpb=0ba48053831d5b89ee2afaefaae1c06eae80cb05;p=linux-2.6

diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 2483739164..f3a104e323 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -222,6 +222,19 @@ static int tcf_em_validate(struct tcf_proto *tp,
 
 		if (em->ops == NULL) {
 			err = -ENOENT;
+#ifdef CONFIG_KMOD
+			__rtnl_unlock();
+			request_module("ematch-kind-%u", em_hdr->kind);
+			rtnl_lock();
+			em->ops = tcf_em_lookup(em_hdr->kind);
+			if (em->ops) {
+				/* We dropped the RTNL mutex in order to
+				 * perform the module load. Tell the caller
+				 * to replay the request. */
+				module_put(em->ops->owner);
+				err = -EAGAIN;
+			}
+#endif
 			goto errout;
 		}