RDMA/hns: Fix NULL pointer derefernce in hns_roce_map_mr_sg()

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ib_map_mr_sg() allows ULPs to specify NULL as the sg_offset argument.
The driver needs to check whether it is a NULL pointer before
dereferencing it.

Fixes: d387d4b54e ("RDMA/hns: Fix missing pagesize and alignment check in FRMR")
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://patch.msgid.link/20241108075743.2652258-3-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

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Junxian Huang 2024-11-08 15:57:43 +08:00 • committed by Leon Romanovsky

parent 5dbcb1c190

commit 6b526d17ee

1 changed files with 4 additions and 3 deletions

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drivers/infiniband/hw/hns/hns_roce_mr.c

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