RDMA/uverbs: Fix umem release in UVERBS_METHOD_CQ_CREATE

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[ Upstream commit d8713158fa ]

In `UVERBS_METHOD_CQ_CREATE`, umem should be released if anything goes
wrong. Currently, if `create_cq_umem` fails, umem would not be
released or referenced, causing a possible leak.

In this patch, we release umem at `UVERBS_METHOD_CQ_CREATE`, the driver
should not release umem if it returns an error code.

Fixes: 1a40c362ae ("RDMA/uverbs: Add a common way to create CQ with umem")
Signed-off-by: Shuhao Fu <sfual@cse.ust.hk>
Link: https://patch.msgid.link/aOh1le4YqtYwj-hH@osx.local
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Shuhao Fu 2025-10-10 10:55:17 +08:00 • committed by Greg Kroah-Hartman

parent 48d81eedb9

commit fe7dc8ffb4

2 changed files with 8 additions and 9 deletions

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1

drivers/infiniband/core/uverbs_std_types_cq.c

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16

drivers/infiniband/hw/efa/efa_verbs.c

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