From fbbf21dcf5d16385ae75f786041b3c4a497662b5 Mon Sep 17 00:00:00 2001
From: Gerhard Sittig <gerhard.sittig@gmx.net>
Date: Wed, 19 Dec 2018 12:41:29 +0100
Subject: [PATCH] pickit2: avoid NULL dereference in close code path

---
 src/hardware/microchip-pickit2/api.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hardware/microchip-pickit2/api.c b/src/hardware/microchip-pickit2/api.c
index 48fb849a..4eb755d2 100644
--- a/src/hardware/microchip-pickit2/api.c
+++ b/src/hardware/microchip-pickit2/api.c
@@ -232,6 +232,8 @@ static int dev_close(struct sr_dev_inst *sdi)
 	usb = sdi->conn;
 	devc = sdi->priv;
 
+	if (!usb)
+		return SR_OK;
 	if (!usb->devhdl)
 		return SR_OK;