From: Jiri Pirko <[email protected]>
We need to check block for being null in both tcf_block_put and
tcf_block_put_ext.
Fixes: 343723dd51ef ("net: sched: fix clsact init error path")
Reported-by: Prashant Bhole <[email protected]>
Signed-off-by: Jiri Pirko <[email protected]>
---
net/sched/cls_api.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index b91ea03..b9d63d2 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -379,6 +379,8 @@ void tcf_block_put(struct tcf_block *block)
{
struct tcf_block_ext_info ei = {0, };
+ if (!block)
+ return;
tcf_block_put_ext(block, block->q, &ei);
}
--
2.9.5
