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Yunjian Wang ae81feb733 sch_htb: fix null pointer dereference on a null new_q
sch_htb: fix null pointer dereference on a null new_q

Currently if new_q is null, the null new_q pointer will be
dereference when 'q->offload' is true. Fix this by adding
a braces around htb_parent_to_leaf_offload() to avoid it.

Addresses-Coverity: ("Dereference after null check")
Fixes: d03b195b5a ("sch_htb: Hierarchical QoS hardware offload")

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30 13:50:03 -07:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
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