summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/core/iwcm.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
commit7f3a4257159dea8e7ef66d1a539dc6df708b8ed3 (patch)
treebcc69b5f4609f348fac49e2f59e210b29eaea783 /drivers/infiniband/core/iwcm.c
parentAdding upstream version 6.9.12. (diff)
downloadlinux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.tar.xz
linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.zip
Adding upstream version 6.10.3.upstream/6.10.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/infiniband/core/iwcm.c')
-rw-r--r--drivers/infiniband/core/iwcm.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c
index 0301fcad4b..bf3265e678 100644
--- a/drivers/infiniband/core/iwcm.c
+++ b/drivers/infiniband/core/iwcm.c
@@ -368,8 +368,10 @@ EXPORT_SYMBOL(iw_cm_disconnect);
*
* Clean up all resources associated with the connection and release
* the initial reference taken by iw_create_cm_id.
+ *
+ * Returns true if and only if the last cm_id_priv reference has been dropped.
*/
-static void destroy_cm_id(struct iw_cm_id *cm_id)
+static bool destroy_cm_id(struct iw_cm_id *cm_id)
{
struct iwcm_id_private *cm_id_priv;
struct ib_qp *qp;
@@ -439,7 +441,7 @@ static void destroy_cm_id(struct iw_cm_id *cm_id)
iwpm_remove_mapping(&cm_id->local_addr, RDMA_NL_IWCM);
}
- (void)iwcm_deref_id(cm_id_priv);
+ return iwcm_deref_id(cm_id_priv);
}
/*
@@ -450,7 +452,8 @@ static void destroy_cm_id(struct iw_cm_id *cm_id)
*/
void iw_destroy_cm_id(struct iw_cm_id *cm_id)
{
- destroy_cm_id(cm_id);
+ if (!destroy_cm_id(cm_id))
+ flush_workqueue(iwcm_wq);
}
EXPORT_SYMBOL(iw_destroy_cm_id);
@@ -1034,7 +1037,7 @@ static void cm_work_handler(struct work_struct *_work)
if (!test_bit(IWCM_F_DROP_EVENTS, &cm_id_priv->flags)) {
ret = process_event(cm_id_priv, &levent);
if (ret)
- destroy_cm_id(&cm_id_priv->id);
+ WARN_ON_ONCE(destroy_cm_id(&cm_id_priv->id));
} else
pr_debug("dropping event %d\n", levent.event);
if (iwcm_deref_id(cm_id_priv))