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authorJason Gunthorpe <jgg@mellanox.com>2020-03-10 11:25:40 +0200
committerJason Gunthorpe <jgg@mellanox.com>2020-03-17 17:05:53 -0300
commit00777a68ae98931d2d10f0aa8bfa60734cc09bfd (patch)
tree9d9d8de3e22a098fde4149a215f9ea87c3f4152b /drivers/infiniband/core/cm.c
parentd1de9a88074b66482443f0cd91618d7b51a7c9b6 (diff)
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RDMA/cm: Add some lockdep assertions for cm_id_priv->lock
These functions all touch state, so must be called under the lock. Inspection shows this is currently true. Link: https://lore.kernel.org/r/20200310092545.251365-11-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/cm.c')
-rw-r--r--drivers/infiniband/core/cm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 3ce735527938..cc3e90e77eec 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -974,6 +974,8 @@ static void cm_enter_timewait(struct cm_id_private *cm_id_priv)
unsigned long flags;
struct cm_device *cm_dev;
+ lockdep_assert_held(&cm_id_priv->lock);
+
cm_dev = ib_get_client_data(cm_id_priv->id.device, &cm_client);
if (!cm_dev)
return;
@@ -1005,6 +1007,8 @@ static void cm_reset_to_idle(struct cm_id_private *cm_id_priv)
{
unsigned long flags;
+ lockdep_assert_held(&cm_id_priv->lock);
+
cm_id_priv->id.state = IB_CM_IDLE;
if (cm_id_priv->timewait_info) {
spin_lock_irqsave(&cm.lock, flags);
@@ -1823,6 +1827,8 @@ static void cm_format_rej(struct cm_rej_msg *rej_msg,
const void *private_data,
u8 private_data_len)
{
+ lockdep_assert_held(&cm_id_priv->lock);
+
cm_format_mad_hdr(&rej_msg->hdr, CM_REJ_ATTR_ID, cm_id_priv->tid);
IBA_SET(CM_REJ_REMOTE_COMM_ID, rej_msg,
be32_to_cpu(cm_id_priv->id.remote_id));