diff --git a/drivers/char/diag/diag_dci.c b/drivers/char/diag/diag_dci.c
index 1000b2595a83..b830334dc701 100644
--- a/drivers/char/diag/diag_dci.c
+++ b/drivers/char/diag/diag_dci.c
@@ -2964,7 +2964,6 @@ int diag_dci_deinit_client(struct diag_dci_client_tbl *entry)
 		diag_update_userspace_clients(DCI_LOG_MASKS_TYPE);
 	ret = dci_ops_tbl[token].send_log_mask(token);
 	if (ret != DIAG_DCI_NO_ERROR) {
-		mutex_unlock(&driver->dci_mutex);
 		return ret;
 	}
 	kfree(entry->dci_event_mask);
@@ -2973,7 +2972,6 @@ int diag_dci_deinit_client(struct diag_dci_client_tbl *entry)
 		diag_update_userspace_clients(DCI_EVENT_MASKS_TYPE);
 	ret = dci_ops_tbl[token].send_event_mask(token);
 	if (ret != DIAG_DCI_NO_ERROR) {
-		mutex_unlock(&driver->dci_mutex);
 		return ret;
 	}