From: Uwe Hermann <redacted>
Date: Thu, 30 Apr 2015 20:38:58 +0000 (+0200)
Subject: Fix a potential segfault in sp_get_port_handle().
X-Git-Tag: libserialport-0.1.1~43
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=5f64c28551d7ee7dbecf5215cb75d63c3cf8303b;p=libserialport.git

Fix a potential segfault in sp_get_port_handle().
---

diff --git a/serialport.c b/serialport.c
index b98a65b..80527be 100644
--- a/serialport.c
+++ b/serialport.c
@@ -234,6 +234,8 @@ SP_API enum sp_return sp_get_port_handle(const struct sp_port *port,
 
 	if (!port)
 		RETURN_ERROR(SP_ERR_ARG, "Null port");
+	if (!result_ptr)
+		RETURN_ERROR(SP_ERR_ARG, "Null result pointer");
 
 #ifdef _WIN32
 	HANDLE *handle_ptr = result_ptr;