RDMA/hns: Fix signed-unsigned mixed comparisons

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[ Upstream commit b5f9efff10 ]

The ib_mtu_enum_to_int() and uverbs_attr_get_len() may returns a negative
value. In this case, mixed comparisons of signed and unsigned types will
throw wrong results.

This patch adds judgement for this situation.

Fixes: 30b707886a ("RDMA/hns: Support inline data in extented sge space for RC")
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20231017125239.164455-4-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Chengchang Tang 2023-10-17 20:52:35 +08:00 • committed by Greg Kroah-Hartman

parent 1000adbac3

commit d3a8efb9de

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drivers/infiniband/hw/hns/hns_roce_hw_v2.c

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