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(parent: 0a3d805) | patch
net: sched: fix possible null pointer deref in tcf_block_put
authorJiri Pirko <jiri@mellanox.com>
Thu, 21 Dec 2017 12:13:59 +0000 (13:13 +0100)
committerDavid S. Miller <davem@davemloft.net>
Tue, 26 Dec 2017 18:02:05 +0000 (13:02 -0500)
commit4853f128c13ed2731625dff2410b7fdbe540fb26
treeb58ac455944c25998e868de3e600fa2ca6906417tree | snapshot
parent0a3d805c9c503e05d6e5d3868c53e92a06589dcfcommit | diff
net: sched: fix possible null pointer deref in tcf_block_put

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 <bhole_prashant_q7@lab.ntt.co.jp>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/cls_api.c diff | blob | history
Domain: System / Kernel;