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-rw-r--r--drivers/infiniband/core/uverbs_cmd.c1
-rw-r--r--drivers/infiniband/core/verbs.c13
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 689275c2894f..911533081db5 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -747,6 +747,7 @@ static int ib_uverbs_reg_mr(struct uverbs_attr_bundle *attrs)
mr->pd = pd;
mr->type = IB_MR_TYPE_USER;
mr->dm = NULL;
+ mr->sig_attrs = NULL;
mr->uobject = uobj;
atomic_inc(&pd->usecnt);
mr->res.type = RDMA_RESTRACK_MR;
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index c892022aa8ea..399c0d17b2b9 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1976,6 +1976,7 @@ int ib_dereg_mr_user(struct ib_mr *mr, struct ib_udata *udata)
{
struct ib_pd *pd = mr->pd;
struct ib_dm *dm = mr->dm;
+ struct ib_sig_attrs *sig_attrs = mr->sig_attrs;
int ret;
rdma_restrack_del(&mr->res);
@@ -1984,6 +1985,7 @@ int ib_dereg_mr_user(struct ib_mr *mr, struct ib_udata *udata)
atomic_dec(&pd->usecnt);
if (dm)
atomic_dec(&dm->usecnt);
+ kfree(sig_attrs);
}
return ret;
@@ -2025,6 +2027,7 @@ struct ib_mr *ib_alloc_mr_user(struct ib_pd *pd, enum ib_mr_type mr_type,
mr->res.type = RDMA_RESTRACK_MR;
rdma_restrack_kadd(&mr->res);
mr->type = mr_type;
+ mr->sig_attrs = NULL;
}
return mr;
@@ -2048,6 +2051,7 @@ struct ib_mr *ib_alloc_mr_integrity(struct ib_pd *pd,
u32 max_num_meta_sg)
{
struct ib_mr *mr;
+ struct ib_sig_attrs *sig_attrs;
if (!pd->device->ops.alloc_mr_integrity ||
!pd->device->ops.map_mr_sg_pi)
@@ -2056,10 +2060,16 @@ struct ib_mr *ib_alloc_mr_integrity(struct ib_pd *pd,
if (!max_num_meta_sg)
return ERR_PTR(-EINVAL);
+ sig_attrs = kzalloc(sizeof(struct ib_sig_attrs), GFP_KERNEL);
+ if (!sig_attrs)
+ return ERR_PTR(-ENOMEM);
+
mr = pd->device->ops.alloc_mr_integrity(pd, max_num_data_sg,
max_num_meta_sg);
- if (IS_ERR(mr))
+ if (IS_ERR(mr)) {
+ kfree(sig_attrs);
return mr;
+ }
mr->device = pd->device;
mr->pd = pd;
@@ -2070,6 +2080,7 @@ struct ib_mr *ib_alloc_mr_integrity(struct ib_pd *pd,
mr->res.type = RDMA_RESTRACK_MR;
rdma_restrack_kadd(&mr->res);
mr->type = IB_MR_TYPE_INTEGRITY;
+ mr->sig_attrs = sig_attrs;
return mr;
}