diff options
| -rw-r--r-- | fs/dlm/midcomms.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/dlm/midcomms.c b/fs/dlm/midcomms.c index 455265c6ba53..4ad71e97cec2 100644 --- a/fs/dlm/midcomms.c +++ b/fs/dlm/midcomms.c @@ -1268,12 +1268,23 @@ void dlm_midcomms_remove_member(int nodeid) idx = srcu_read_lock(&nodes_srcu); node = nodeid2node(nodeid); - if (WARN_ON_ONCE(!node)) { + /* in case of dlm_midcomms_close() removes node */ + if (!node) { srcu_read_unlock(&nodes_srcu, idx); return; } spin_lock(&node->state_lock); + /* case of dlm_midcomms_addr() created node but + * was not added before because dlm_midcomms_close() + * removed the node + */ + if (!node->users) { + spin_unlock(&node->state_lock); + srcu_read_unlock(&nodes_srcu, idx); + return; + } + node->users--; pr_debug("node %d users dec count %d\n", nodeid, node->users); |