p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

RDMA/cma: Add cm_id restrack resource based on kernel or user cm_id type 

A recent regression causes a null ptr crash when dumping cm_id resources.
The cma is incorrectly adding all cm_id restrack resources as kernel mode.

Fixes: af8d70375d ("RDMA/restrack: Resource-tracker should not use uobject pointers")
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Steve Wise 2019-01-07 11:01:13 -08:00 committed by Jason Gunthorpe
parent a9666c1cae
commit 917cb8a72a
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/infiniband/core/cma.c
View File

@ -494,7 +494,10 @@ static void _cma_attach_to_dev(struct rdma_id_private *id_priv,
id_priv->id.route.addr.dev_addr.transport = id_priv->id.route.addr.dev_addr.transport =
rdma_node_get_transport(cma_dev->device->node_type); rdma_node_get_transport(cma_dev->device->node_type);
list_add_tail(&id_priv->list, &cma_dev->id_list); list_add_tail(&id_priv->list, &cma_dev->id_list);
rdma_restrack_kadd(&id_priv->res); if (id_priv->res.kern_name)
rdma_restrack_kadd(&id_priv->res);
else
rdma_restrack_uadd(&id_priv->res);
} }
static void cma_attach_to_dev(struct rdma_id_private *id_priv, static void cma_attach_to_dev(struct rdma_id_private *id_priv,