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RDMA/hns: Fix undifined behavior caused by invalid max_sge
authorChengchang Tang <tangchengchang@huawei.com>
Wed, 10 Jul 2024 13:37:03 +0000 (21:37 +0800)
committerLeon Romanovsky <leon@kernel.org>
Thu, 11 Jul 2024 10:25:12 +0000 (13:25 +0300)
commit36397b907355e2fdb5a25a02a7921a937fd8ef4c
tree279597e408f569fce9f23a0fcb34362b6f913e16tree
parent24c6291346d98c7ece4f4bfeb5733bec1d6c7b4fcommit | diff
RDMA/hns: Fix undifined behavior caused by invalid max_sge

If max_sge has been set to 0, roundup_pow_of_two() in
set_srq_basic_param() may have undefined behavior.

Fixes: 9dd052474a26 ("RDMA/hns: Allocate one more recv SGE for HIP08")
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20240710133705.896445-7-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
drivers/infiniband/hw/hns/hns_roce_srq.c diff | blob | history
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