From f099f30489f958c4466b83ecb0427f28b9c11e9d Mon Sep 17 00:00:00 2001
From: Benjamin Barenblat <bbaren@google.com>
Date: Wed, 13 May 2020 13:37:24 -0400
Subject: Avoid a potential uninitialized use

If `read_device` fails to open a directory, it frees `ent_path` without
ever assigning to it. Explicitly initialize `ent_path` with `NULL` to
prevent that uninitialized use.
---
 brightnessctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/brightnessctl.c b/brightnessctl.c
index 1629a35..31a066d 100644
--- a/brightnessctl.c
+++ b/brightnessctl.c
@@ -434,7 +434,7 @@ bool read_device(struct device *d, char *class, char *id) {
 	DIR *dirp;
 	FILE *f;
 	char *dev_path = NULL;
-	char *ent_path;
+	char *ent_path = NULL;
 	int error = 0;
 	struct dirent *ent;
 	bool cur;
-- 
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