From 760329d91f844b9f0ad63e866d8b9a4395fe52c1 Mon Sep 17 00:00:00 2001
From: Mykyta Holubakha <hilobakho@gmail.com>
Date: Sun, 15 Jan 2017 14:25:29 +0200
Subject: Fix a null-pointer dereference in read_device

---
 brightnessctl.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'brightnessctl.c')

diff --git a/brightnessctl.c b/brightnessctl.c
index cbfe410..c0ffd0a 100644
--- a/brightnessctl.c
+++ b/brightnessctl.c
@@ -320,7 +320,7 @@ int read_device(struct device *d, char *class, char *id) {
 	d->id = strdup(id);
 	dev_path = device_path(d);
 	if (!(dirp = opendir(dev_path)))
-		goto fail;
+		goto dfail;
 	while ((ent = readdir(dirp))) {
 		if (!strcmp(ent->d_name, ".") && !strcmp(ent->d_name, ".."))
 			continue;
@@ -356,6 +356,7 @@ int read_device(struct device *d, char *class, char *id) {
 	errno = 0;
 fail:
 	closedir(dirp);
+dfail:
 	if (errno) {
 		perror("Error reading device");
 		error++;
-- 
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