X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fsaleae-logic%2Fsaleae-logic.c;h=98b9aad134c8f1832ddd0e44d0e6e733bf896181;hb=c532476aa7b9a4afb1f32d5b634348d3e825d6bb;hp=14477496e12d546a1fd7ad40118461ed2429e6db;hpb=3010f21c9170e9f235d49bc7b333d17677c70e5c;p=libsigrok.git

diff --git a/hardware/saleae-logic/saleae-logic.c b/hardware/saleae-logic/saleae-logic.c
index 14477496..98b9aad1 100644
--- a/hardware/saleae-logic/saleae-logic.c
+++ b/hardware/saleae-logic/saleae-logic.c
@@ -460,16 +460,28 @@ static int hw_closedev(int device_index)
 	return SR_OK;
 }
 
-static void hw_cleanup(void)
+static int hw_cleanup(void)
 {
 	GSList *l;
 	struct sr_device_instance *sdi;
 	struct fx2_device *fx2;
+	int ret = SR_OK;
 
 	/* Properly close and free all devices. */
 	for (l = device_instances; l; l = l->next) {
-		sdi = l->data;
-		fx2 = sdi->priv;
+		if (!(sdi = l->data)) {
+			/* Log error, but continue cleaning up the rest. */
+			sr_err("fx2: %s: sdi was NULL, continuing", __func__);
+			ret = SR_ERR_BUG;
+			continue;
+		}
+		if (!(fx2 = sdi->priv)) {
+			/* Log error, but continue cleaning up the rest. */
+			sr_err("fx2: %s: sdi->priv was NULL, continuing",
+			       __func__);
+			ret = SR_ERR_BUG;
+			continue;
+		}
 		close_device(sdi);
 		sr_usb_device_instance_free(fx2->usb);
 		sr_device_instance_free(sdi);
@@ -481,6 +493,8 @@ static void hw_cleanup(void)
 	if (usb_context)
 		libusb_exit(usb_context);
 	usb_context = NULL;
+
+	return ret;
 }
 
 static void *hw_get_device_info(int device_index, int device_info_id)