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| author |   Leon Romanovsky <leonro@mellanox.com> | 2020-09-02 11:16:23 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2020-09-17 14:04:33 -0300 |
| commit | c0a6b5ecc5b7dd028c2921415ea036074a8f8b00 (patch) | |
| tree | 097b09fba3a07538745abb63d145e9c7d87f8599 /drivers/infiniband/core/uverbs_std_types.c | |
| parent | RDMA: Clean MW allocation and free flows (diff) | |
| download | linux-dev-c0a6b5ecc5b7dd028c2921415ea036074a8f8b00.tar.xz linux-dev-c0a6b5ecc5b7dd028c2921415ea036074a8f8b00.zip | |
RDMA: Convert RWQ table logic to ib_core allocation scheme
Move struct ib_rwq_ind_table allocation to ib_core.
Link: https://lore.kernel.org/r/20200902081623.746359-3-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/core/uverbs_std_types.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_std_types.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/infiniband/core/uverbs_std_types.c b/drivers/infiniband/core/uverbs_std_types.c index 2932e832f48f..0658101fca00 100644 --- a/drivers/infiniband/core/uverbs_std_types.c +++ b/drivers/infiniband/core/uverbs_std_types.c @@ -81,12 +81,20 @@ static int uverbs_free_rwq_ind_tbl(struct ib_uobject *uobject, { struct ib_rwq_ind_table *rwq_ind_tbl = uobject->object; struct ib_wq **ind_tbl = rwq_ind_tbl->ind_tbl; - int ret; + u32 table_size = (1 << rwq_ind_tbl->log_ind_tbl_size); + int ret, i; + + if (atomic_read(&rwq_ind_tbl->usecnt)) + return -EBUSY; - ret = ib_destroy_rwq_ind_table(rwq_ind_tbl); + ret = rwq_ind_tbl->device->ops.destroy_rwq_ind_table(rwq_ind_tbl); if (ib_is_destroy_retryable(ret, why, uobject)) return ret; + for (i = 0; i < table_size; i++) + atomic_dec(&ind_tbl[i]->usecnt); + + kfree(rwq_ind_tbl); kfree(ind_tbl); return ret; } |