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authorIgnacy Gawędzki <ignacy.gawedzki@green-communications.fr>2015-02-17 20:15:20 +0100
committerJiri Slaby <jslaby@suse.cz>2015-03-12 10:06:26 +0100
commitc07c93a6bac93cca369ecbaf655bf3bb9926d10f (patch)
tree8365ab20b831834533e6154a8fa615dbbf6d16e5 /net
parentc83355ce6fdafb24031c7032ee011ad4d7f2ca9c (diff)
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: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'net')
-rw-r--r--net/sched/ematch.c1
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