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(parent: 682881e) | patch
net: sched: fix possible refcount leak in tc_chain_tmplt_add()
authorHangyu Hua <hbh25y@gmail.com>
Wed, 7 Jun 2023 02:23:01 +0000 (10:23 +0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 7 Jun 2023 11:31:41 +0000 (12:31 +0100)
commit44f8baaf230c655c249467ca415b570deca8df77
tree6601ecff06f336294ee417b94c1592bde1b6e4abtree | snapshot
parent682881ee45c81daa883dcd4fe613b0b0d988bb22commit | diff
net: sched: fix possible refcount leak in tc_chain_tmplt_add()

try_module_get will be called in tcf_proto_lookup_ops. So module_put needs
to be called to drop the refcount if ops don't implement the required
function.

Fixes: 9f407f1768d3 ("net: sched: introduce chain templates")
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Reviewed-by: Larysa Zaremba <larysa.zaremba@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/cls_api.c diff | blob | history
Domain: System / Kernel;