From: Uwe Hermann <redacted>
Date: Wed, 8 Mar 2017 18:33:18 +0000 (+0100)
Subject: sr_usbtmc_dev_inst_free(): Allow NULL as argument.
X-Git-Tag: libsigrok-0.5.0~92
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=ce375f2a396c4735a12e9105595d7c9f1a366abb;p=libsigrok.git

sr_usbtmc_dev_inst_free(): Allow NULL as argument.
---

diff --git a/src/device.c b/src/device.c
index a8f6f2b4..d87d2904 100644
--- a/src/device.c
+++ b/src/device.c
@@ -489,6 +489,9 @@ SR_PRIV struct sr_usbtmc_dev_inst *sr_usbtmc_dev_inst_new(const char *device)
 /** @private */
 SR_PRIV void sr_usbtmc_dev_inst_free(struct sr_usbtmc_dev_inst *usbtmc)
 {
+	if (!usbtmc)
+		return;
+
 	g_free(usbtmc->device);
 	g_free(usbtmc);
 }