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| author |   Li Zhijian <lizhijian@fujitsu.com> | 2022-10-13 12:03:33 +0800 |
|---|---|---|
| committer |   Leon Romanovsky <leon@kernel.org> | 2022-10-25 08:59:29 +0300 |
| commit | b5f9a01fae42684648c2ee3cd9985f80c67ab9f7 (patch) | |
| tree | 246934c767a3df8572c33289caf5dc82ae93228b /drivers/infiniband/core | |
| parent | RDMA/hns: Fix NULL pointer problem in free_mr_init() (diff) | |
| download | linux-dev-b5f9a01fae42684648c2ee3cd9985f80c67ab9f7.tar.xz linux-dev-b5f9a01fae42684648c2ee3cd9985f80c67ab9f7.zip | |
RDMA/rxe: Fix mr leak in RESPST_ERR_RNR
rxe_recheck_mr() will increase mr's ref_cnt, so we should call rxe_put(mr)
to drop mr's ref_cnt in RESPST_ERR_RNR to avoid below warning:
WARNING: CPU: 0 PID: 4156 at drivers/infiniband/sw/rxe/rxe_pool.c:259 __rxe_cleanup+0x1df/0x240 [rdma_rxe]
...
Call Trace:
rxe_dereg_mr+0x4c/0x60 [rdma_rxe]
ib_dereg_mr_user+0xa8/0x200 [ib_core]
ib_mr_pool_destroy+0x77/0xb0 [ib_core]
nvme_rdma_destroy_queue_ib+0x89/0x240 [nvme_rdma]
nvme_rdma_free_queue+0x40/0x50 [nvme_rdma]
nvme_rdma_teardown_io_queues.part.0+0xc3/0x120 [nvme_rdma]
nvme_rdma_error_recovery_work+0x4d/0xf0 [nvme_rdma]
process_one_work+0x582/0xa40
? pwq_dec_nr_in_flight+0x100/0x100
? rwlock_bug.part.0+0x60/0x60
worker_thread+0x2a9/0x700
? process_one_work+0xa40/0xa40
kthread+0x168/0x1a0
? kthread_complete_and_exit+0x20/0x20
ret_from_fork+0x22/0x30
Link: https://lore.kernel.org/r/20221024052049.20577-1-lizhijian@fujitsu.com
Fixes: 8a1a0be894da ("RDMA/rxe: Replace mr by rkey in responder resources")
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/core')
0 files changed, 0 insertions, 0 deletions