From: Bartosz Golaszewski <bartekgola@gmail.com>
Date: Mon, 12 Jun 2017 09:01:52 +0000 (+0200)
Subject: tests: fix a potential segfault
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=45a60afb1639c7f9545664d403ab97f770107bca;p=qemu-gpiodev%2Flibgpiod.git

tests: fix a potential segfault

A string passed to test_free_str() must be allocated by malloc() or
NULL, so we need to initialize ptrn.

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
---

diff --git a/tests/tests-gpioinfo.c b/tests/tests-gpioinfo.c
index e2b7419..ff4a509 100644
--- a/tests/tests-gpioinfo.c
+++ b/tests/tests-gpioinfo.c
@@ -34,7 +34,7 @@ TEST_DEFINE(gpioinfo_simple,
 static void gpioinfo_one_exported(void)
 {
 	TEST_CLEANUP(test_close_chip) struct gpiod_chip *chip = NULL;
-	TEST_CLEANUP(test_free_str) char *ptrn;
+	TEST_CLEANUP(test_free_str) char *ptrn = NULL;
 	struct gpiod_line *line;
 	int rv;