diff options
Diffstat (limited to 'net/sched/ematch.c')
| -rw-r--r-- | net/sched/ematch.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/net/sched/ematch.c b/net/sched/ematch.c index 63146d339d81..f3a104e323bd 100644 --- a/net/sched/ematch.c +++ b/net/sched/ematch.c @@ -84,9 +84,7 @@ #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> -#include <linux/mm.h> #include <linux/errno.h> -#include <linux/interrupt.h> #include <linux/rtnetlink.h> #include <linux/skbuff.h> #include <net/pkt_cls.h> @@ -224,6 +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; } |