diff --git a/drivers/ub/cdma/cdma_event.c b/drivers/ub/cdma/cdma_event.c
index 9ad53639f5fc56428a136b160afdc9c5fc3598a0..1341ec4714608405f3975694bff5c2d442ce592f 100644
--- a/drivers/ub/cdma/cdma_event.c
+++ b/drivers/ub/cdma/cdma_event.c
@@ -217,8 +217,7 @@ static int cdma_delete_jfce(struct inode *inode, struct file *filp)
 	if (!cfile)
 		return 0;
 
-	if (!mutex_trylock(&cfile->ctx_mutex))
-		return -ENOLCK;
+	mutex_lock(&cfile->ctx_mutex);
 	cdma_destroy_jfce(jfce);
 	filp->private_data = NULL;
 	mutex_unlock(&cfile->ctx_mutex);
@@ -624,8 +623,7 @@ static int cdma_delete_jfae(struct inode *inode, struct file *filp)
 	if (!cfile)
 		return 0;
 
-	if (!mutex_trylock(&cfile->ctx_mutex))
-		return -ENOLCK;
+	mutex_lock(&cfile->ctx_mutex);
 
 	if (jfae->ctx)
 		jfae->ctx->jfae = NULL;