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| author | Ignacy Gawędzki <ignacy.gawedzki@green-communications.fr> | 2015-02-17 20:15:20 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-02-20 15:30:56 -0500 |
| commit | 34eea79e2664b314cab6a30fc582fdfa7a1bb1df (patch) | |
| tree | fac30f2ab8adee79b12cdafd428df0ec6eaf984f /net/sched/ematch.c | |
| parent | 54da5a8be3c1e924c35480eb44c6e9b275f6444e (diff) | |
| download | lwn-34eea79e2664b314cab6a30fc582fdfa7a1bb1df.tar.gz lwn-34eea79e2664b314cab6a30fc582fdfa7a1bb1df.zip | |
ematch: Fix auto-loading of ematch modules.
In tcf_em_validate(), after calling request_module() to load the
kind-specific module, set em->ops to NULL before returning -EAGAIN, so
that module_put() is not called again by tcf_em_tree_destroy().
Signed-off-by: Ignacy Gawędzki <ignacy.gawedzki@green-communications.fr>
Acked-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/ematch.c')
| -rw-r--r-- | net/sched/ematch.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sched/ematch.c b/net/sched/ematch.c index 6742200b1307..fbb7ebfc58c6 100644 --- a/net/sched/ematch.c +++ b/net/sched/ematch.c @@ -228,6 +228,7 @@ static int tcf_em_validate(struct tcf_proto *tp, * to replay the request. */ module_put(em->ops->owner); + em->ops = NULL; err = -EAGAIN; } #endif |