diff options
| author |   Yajun Deng <yajun.deng@linux.dev> | 2022-03-03 10:42:32 +0800 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2022-03-04 17:30:31 -0400 |
| commit | 7c4a539ec38f4ce400a0f3fcb5ff6c940fcd67bb (patch) | |
| tree | 8d2243ea7d61d4228eb900f4229745a5a3cf8ddd /drivers/infiniband/core/verbs.c | |
| parent | IB/hfi1: Allow larger MTU without AIP (diff) | |
| download | linux-dev-7c4a539ec38f4ce400a0f3fcb5ff6c940fcd67bb.tar.xz linux-dev-7c4a539ec38f4ce400a0f3fcb5ff6c940fcd67bb.zip | |
RDMA/core: Fix ib_qp_usecnt_dec() called when error
ib_destroy_qp() would called by ib_create_qp_user() if error, the former
contains ib_qp_usecnt_dec(), but ib_qp_usecnt_inc() was not called before.
So move ib_qp_usecnt_inc() into create_qp().
Fixes: d2b10794fc13 ("RDMA/core: Create clean QP creations interface for uverbs")
Link: https://lore.kernel.org/r/20220303024232.2847388-1-yajun.deng@linux.dev
Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/core/verbs.c')
| -rw-r--r-- | drivers/infiniband/core/verbs.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index a9819c40a140..bc9a83f1ca2d 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1245,6 +1245,7 @@ static struct ib_qp *create_qp(struct ib_device *dev, struct ib_pd *pd, if (ret) goto err_security; + ib_qp_usecnt_inc(qp); rdma_restrack_add(&qp->res); return qp; @@ -1345,8 +1346,6 @@ struct ib_qp *ib_create_qp_kernel(struct ib_pd *pd, if (IS_ERR(qp)) return qp; - ib_qp_usecnt_inc(qp); - if (qp_init_attr->cap.max_rdma_ctxs) { ret = rdma_rw_init_mrs(qp, qp_init_attr); if (ret) |