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author | Ignacy Gawędzki <ignacy.gawedzki@green-communications.fr> | 2015-02-17 20:15:20 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-18 13:31:21 +0100 |
commit | 96c65236248aefab6d78b279ca2dc7fd8fa952ef (patch) | |
tree | 122cab508b358fd6c7fa48d561e5991ff3301cac /net | |
parent | 058969ab33db1707538ad6472964423b8115d642 (diff) | |
download | lwn-96c65236248aefab6d78b279ca2dc7fd8fa952ef.tar.gz lwn-96c65236248aefab6d78b279ca2dc7fd8fa952ef.zip |
ematch: Fix auto-loading of ematch modules.
[ Upstream commit 34eea79e2664b314cab6a30fc582fdfa7a1bb1df ]
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-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 3a633debb6df..a2abc449ce8f 100644 --- a/net/sched/ematch.c +++ b/net/sched/ematch.c @@ -227,6 +227,7 @@ static int tcf_em_validate(struct tcf_proto *tp, * to replay the request. */ module_put(em->ops->owner); + em->ops = NULL; err = -EAGAIN; } #endif |