check if MCI interface present

2022-12-13 13:33:09 +01:00 · 2022-12-13 13:33:09 +01:00 · 4b5cd433f9
parent 6c068c0cc3
commit 4b5cd433f9
1 changed files with 2 additions and 0 deletions
--- a/ddbridge/ddbridge-mci.c
+++ b/ddbridge/ddbridge-mci.c
@ -134,6 +134,8 @@ int ddb_mci_cmd_link(struct ddb_link *link,
 	struct mci_result res;
 	int stat;

+	if (!link->mci_ok)
+		return -EFAULT;
 	if (!result)
 		result = &res;
 	mutex_lock(&link->mci_lock);