RDMA/nldev: Add checks for nla_nest_start() in fill_stat_counter_qps()
[ Upstream commit ea5ef136e215fdef35f14010bc51fcd6686e6922 ]
As the nla_nest_start() may fail with NULL returned, the return value needs
to be checked.
Fixes: c4ffee7c9b
("RDMA/netlink: Implement counter dumpit calback")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Link: https://lore.kernel.org/r/20221126043410.85632-1-yuancan@huawei.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:

committed by
Greg Kroah-Hartman

parent
ad27f74e90
commit
d1b85d2883
@@ -754,6 +754,8 @@ static int fill_stat_counter_qps(struct sk_buff *msg,
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int ret = 0;
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table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_QP);
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if (!table_attr)
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return -EMSGSIZE;
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rt = &counter->device->res[RDMA_RESTRACK_QP];
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xa_lock(&rt->xa);
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