RDMA/hns: Fix the overflow risk of hem_list_calc_ba_range()

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The max value of 'unit' and 'hop_num' is 2^24 and 2, so the value of
'step' may exceed the range of u32. Change the type of 'step' to u64.

Fixes: 38389eaa4d ("RDMA/hns: Add mtr support for mixed multihop addressing")
Signed-off-by: wenglianfa <wenglianfa@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://patch.msgid.link/20240906093444.3571619-5-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

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wenglianfa 2024-09-06 17:34:39 +08:00 • committed by Leon Romanovsky

parent fd8489294d

commit d586628b16

1 changed files with 6 additions and 6 deletions

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drivers/infiniband/hw/hns/hns_roce_hem.c

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