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-rw-r--r--net/smc/smc_ism.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/net/smc/smc_ism.c b/net/smc/smc_ism.c
index 9c6e95882553..d24b96ea0eb5 100644
--- a/net/smc/smc_ism.c
+++ b/net/smc/smc_ism.c
@@ -428,6 +428,8 @@ EXPORT_SYMBOL_GPL(smcd_alloc_dev);
int smcd_register_dev(struct smcd_dev *smcd)
{
+ int rc;
+
mutex_lock(&smcd_dev_list.mutex);
if (list_empty(&smcd_dev_list.list)) {
u8 *system_eid = NULL;
@@ -447,7 +449,14 @@ int smcd_register_dev(struct smcd_dev *smcd)
dev_name(&smcd->dev), smcd->pnetid,
smcd->pnetid_by_user ? " (user defined)" : "");
- return device_add(&smcd->dev);
+ rc = device_add(&smcd->dev);
+ if (rc) {
+ mutex_lock(&smcd_dev_list.mutex);
+ list_del(&smcd->list);
+ mutex_unlock(&smcd_dev_list.mutex);
+ }
+
+ return rc;
}
EXPORT_SYMBOL_GPL(smcd_register_dev);