From: Gerhard Sittig <redacted>
Date: Wed, 19 Dec 2018 11:41:29 +0000 (+0100)
Subject: pickit2: avoid NULL dereference in close code path
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=fbbf21dcf5d16385ae75f786041b3c4a497662b5;p=libsigrok.git

pickit2: avoid NULL dereference in close code path
---

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;