From 81fbb7e14292c332ba7e2e617c2c50a132189820 Mon Sep 17 00:00:00 2001
From: Bert Vermeulen <bert@biot.com>
Date: Sat, 3 Nov 2012 00:41:21 +0100
Subject: [PATCH] don't assume the driver has been initialized when cleaning
 up.

clear_instances() can get called on an unused driver.
---
 source/drv-api.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/drv-api.c b/source/drv-api.c
index 3d71daa..1288a7f 100644
--- a/source/drv-api.c
+++ b/source/drv-api.c
@@ -33,7 +33,9 @@ static int clear_instances(void)
 	struct dev_context *devc;
 	GSList *l;
 
-	drvc = di->priv;
+	if (!(drvc = di->priv))
+		return SR_OK;
+
 	for (l = drvc->instances; l; l = l->next) {
 		if (!(sdi = l->data))
 			continue;
-- 
2.30.2